Extracting prog: 31.610625605s Minimizing prog: 40m21.440531978s Simplifying prog options: 3m29.531007884s Extracting C: 48.853476853s Simplifying C: 0s extracting reproducer from 66 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socketpair$unix-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-syz_clone3-pidfd_send_signal-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r6, &(0x7f0000000580)=@abs, 0x6e) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) syz_clone3(&(0x7f0000000080)={0x180801400, &(0x7f0000000000)=0xffffffffffffffff, 0x0, 0x0, {0x3d}, 0x0, 0x0, 0x0, 0x0}, 0x58) pidfd_send_signal(r8, 0x21, 0x0, 0x0) pidfd_getfd(r8, r8, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy single: successfully extracted reproducer found reproducer with 24 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socketpair$unix-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-syz_clone3-pidfd_send_signal detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r6, &(0x7f0000000580)=@abs, 0x6e) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) syz_clone3(&(0x7f0000000080)={0x180801400, &(0x7f0000000000)=0xffffffffffffffff, 0x0, 0x0, {0x3d}, 0x0, 0x0, 0x0, 0x0}, 0x58) pidfd_send_signal(r8, 0x21, 0x0, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socketpair$unix-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-syz_clone3-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r6, &(0x7f0000000580)=@abs, 0x6e) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) syz_clone3(&(0x7f0000000080)={0x180801400, &(0x7f0000000000)=0xffffffffffffffff, 0x0, 0x0, {0x3d}, 0x0, 0x0, 0x0, 0x0}, 0x58) pidfd_getfd(r8, r8, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socketpair$unix-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r6, &(0x7f0000000580)=@abs, 0x6e) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socketpair$unix-mlockall-mmap$IORING_OFF_SQ_RING-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r1 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r2, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r1, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f0000000580)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socketpair$unix-mlockall-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$eJzs3T1sG3UbAPDnznHTj7xv+krvK72gDhUgFamqk/QDClO7IipV6oDEApHjRlWcuIodaKJIpHuF6IAAdSkbDIwgBgbEwsjKwseMVNEIpKYDGDk+p2nqFCfEMcS/n3TJ/3939vP8fX7OvtOdHEDfOtr4k0Y8EREXk4jhdcsGIlt4tLneyvJi8f7yYjGJev3Sz0kkEXFvebHYWj/J/h+KiKWI+H9EfJWPOJ6uPeW+VqM6vzA1Xi6XZrP+SG366kh1fuHElenxydJkaebU8y+cOXv6zNjJsfXp3q+v7+W3NtYb3998+8Y3L92++fEnR5aK744ncS6GsmXrx7GTmq9JPs5tmH+6G8F6KOl1AmxLLqvzRin9L4Yjl1V9O/X1O4fBXUkP6KL6YER9zbom0AcSRQ99qvU9oHH825p28/vHnfPNA5BG3JXlxeJb0Yo/0Dw3EftXj00O/pI8dGTSON48vJuJsictXY+I0YGBR9//Sfb+277RnUiQrvryfHNDPbr907X9T7TZ/wy1zp3+Ra3930q2/1tpEz+3yf7vYocxfnv1xw82jX99MJ5sGz9Zi5+0iZ9GxOsdxr/1yudnN1tW/zDiWLSP35I8/vzwyOUr5dJo82/bGF8cO/Li5uOPOLhJ/OY52/2riawf/74sp7TD8X/29adPLT0m/rNPP377t3v9D0TEOx3G/8+9j17ebNmd68ndxreArW7/JPJxu8P4z507+l3WdNYQAAAAAAAAAAB2ULp6LVuSFtbaaVooNO/h/W8cTMuVau345crczETzmrfDkU9bV1oNN/tJoz+WXY/b6p/c0D+VywLmDqz2C8VKeaLHYwcAAAAAAAAAAAAAAAAAAIC/i0Mb7v//Nbd6///Gn6sG9qrNf/Ib2OvUP/Svh+s/6VkewO7z+Q99q67+oX+pf+hf6h/6l/qH/tW2/g/sfh7A7vP5D/1L/QMAAAAAAAAAAAAAAAAAAAAAAAAAQFdcvHChMdXvLy8WG/2Jgfm5qcobJyZK1anC9FyxUKzMXi1MViqT5VKhWJn+s+dLKpWrozEzd22kVqrWRqrzC69NV+ZmWr8pWsp3fUQAAAAAAAAAAAAAAAAAAADwzzO0OiVpISLf7KdpoRDxr4g4nERy+Uq5NBoR/46Ib3P5wUZ/rNdJAwAAAAAAAAAAAAAAAAAAwB5TnV+YGi+XS7PdawxkoTp71A+1ruYzsJWVI2JpZ9NoPOOWH5XPXsDubqY+aeQ6fB/2faOHOyUAAAAAAAAAAAAAAAAAAOhTD2767fQRv3c3IQAAAAAAAAAAAAAAAAAAAOhL6U9JRDSmY8PPDG1cui9Zya3+j4g3b11679p4rTY71ph/d21+7f1s/sle5A90qlWnaUQ06hgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4oDq/MDVeLpdmt9kY7GCdXo8RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYDv+CAAA//9bQM66") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r6, &(0x7f0000000580)=@abs, 0x6e) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) mlockall(0x7) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socketpair$unix-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r6, &(0x7f0000000580)=@abs, 0x6e) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r6, &(0x7f0000000580)=@abs, 0x6e) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r6, &(0x7f0000000580)=@abs, 0x6e) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff}) connect$unix(r6, &(0x7f0000000580)=@abs, 0x6e) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000600), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r6, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r5, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000004c0)=0x8) sched_setscheduler(0x0, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r6, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r5, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$eJzs3T1sG3UbAPDnznHTj7xv+krvK72gDhUgFamqk/QDClO7IipV6oDEApHjRlWcuIodaKJIpHuF6IAAdSkbDIwgBgbEwsjKwseMVNEIpKYDGDk+p2nqFCfEMcS/n3TJ/3939vP8fX7OvtOdHEDfOtr4k0Y8EREXk4jhdcsGIlt4tLneyvJi8f7yYjGJev3Sz0kkEXFvebHYWj/J/h+KiKWI+H9EfJWPOJ6uPeW+VqM6vzA1Xi6XZrP+SG366kh1fuHElenxydJkaebU8y+cOXv6zNjJsfXp3q+v7+W3NtYb3998+8Y3L92++fEnR5aK744ncS6GsmXrx7GTmq9JPs5tmH+6G8F6KOl1AmxLLqvzRin9L4Yjl1V9O/X1O4fBXUkP6KL6YER9zbom0AcSRQ99qvU9oHH825p28/vHnfPNA5BG3JXlxeJb0Yo/0Dw3EftXj00O/pI8dGTSON48vJuJsictXY+I0YGBR9//Sfb+277RnUiQrvryfHNDPbr907X9T7TZ/wy1zp3+Ra3930q2/1tpEz+3yf7vYocxfnv1xw82jX99MJ5sGz9Zi5+0iZ9GxOsdxr/1yudnN1tW/zDiWLSP35I8/vzwyOUr5dJo82/bGF8cO/Li5uOPOLhJ/OY52/2riawf/74sp7TD8X/29adPLT0m/rNPP377t3v9D0TEOx3G/8+9j17ebNmd68ndxreArW7/JPJxu8P4z507+l3WdNYQAAAAAAAAAAB2ULp6LVuSFtbaaVooNO/h/W8cTMuVau345crczETzmrfDkU9bV1oNN/tJoz+WXY/b6p/c0D+VywLmDqz2C8VKeaLHYwcAAAAAAAAAAAAAAAAAAIC/i0Mb7v//Nbd6///Gn6sG9qrNf/Ib2OvUP/Svh+s/6VkewO7z+Q99q67+oX+pf+hf6h/6l/qH/tW2/g/sfh7A7vP5D/1L/QMAAAAAAAAAAAAAAAAAAAAAAAAAQFdcvHChMdXvLy8WG/2Jgfm5qcobJyZK1anC9FyxUKzMXi1MViqT5VKhWJn+s+dLKpWrozEzd22kVqrWRqrzC69NV+ZmWr8pWsp3fUQAAAAAAAAAAAAAAAAAAADwzzO0OiVpISLf7KdpoRDxr4g4nERy+Uq5NBoR/46Ib3P5wUZ/rNdJAwAAAAAAAAAAAAAAAAAAwB5TnV+YGi+XS7PdawxkoTp71A+1ruYzsJWVI2JpZ9NoPOOWH5XPXsDubqY+aeQ6fB/2faOHOyUAAAAAAAAAAAAAAAAAAOhTD2767fQRv3c3IQAAAAAAAAAAAAAAAAAAAOhL6U9JRDSmY8PPDG1cui9Zya3+j4g3b11679p4rTY71ph/d21+7f1s/sle5A90qlWnaUQ06hgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4oDq/MDVeLpdmt9kY7GCdXo8RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYDv+CAAA//9bQM66") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-io_submit-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r1 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r2, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r1, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-unlinkat-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-io_setup-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) io_submit(r3, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r5 = getpid() sched_setscheduler(r5, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r7, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r6, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r4}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-openat-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") r2 = openat(0xffffffffffffff9c, &(0x7f0000000c80)='./file1\x00', 0x58342, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r4 = getpid() sched_setscheduler(r4, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r6, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r5, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r3}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-syz_mount_image$ext4-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000600)='ext4\x00', &(0x7f0000000640)='./file1\x00', 0x0, &(0x7f0000000680)={[{@noblock_validity}, {@grpquota}, {@grpid}, {@nombcache}]}, 0x1, 0x5a3, &(0x7f00000006c0)="$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") io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r2, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r4 = getpid() sched_setscheduler(r4, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r6, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r5, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r3}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r2, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r4 = getpid() sched_setscheduler(r4, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r6, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r5, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r3}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r1, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(0xffffffffffffffff, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r1, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(0xffffffffffffffff, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, 0x0, 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r2, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r4 = getpid() sched_setscheduler(r4, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r6, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r5, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r3}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, 0x0, 0x2, 0x0) io_setup(0x20fe, &(0x7f0000000cc0)=0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(r2, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r4 = getpid() sched_setscheduler(r4, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r6, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r5, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r3}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, 0x0, 0x0) io_submit(0x0, 0x3, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0)='p', 0x8200, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x0, 0x0) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[0x0]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r4, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r3, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, 0x0, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000600), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, 0x0, 0x0, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, 0x0, 0x0, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r4, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r3, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, 0x0) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd program did not crash simplifying guilty program options testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy validation run: crashed=true testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy validation run: crashed=true testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-openat$dm_control-io_setup-unlinkat-io_submit-ioctl$DM_DEV_CREATE-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-mlockall-mmap$IORING_OFF_SQ_RING-ioctl$DM_TABLE_LOAD-pidfd_getfd detailed listing: executing program 0: r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) io_setup(0x20fe, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000d00)='./file1\x00', 0x0) io_submit(0x0, 0x1, &(0x7f0000000d40)=[&(0x7f0000000d80)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x600}]) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x84200, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}}}) prlimit64(0x0, 0xe, &(0x7f0000000480)={0xa, 0x400000000008d}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x1, &(0x7f0000000500)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x9a5eb000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000540)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f0000000600), 0x651, 0x0) recvmmsg(r4, &(0x7f0000000640), 0x4000087, 0x2, 0x0) mlockall(0x7) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) ioctl$DM_TABLE_LOAD(r1, 0xc138fd09, &(0x7f0000000280)={0x4, 0x0, 0x0, 0x1c8, 0x138, 0x1, 0x0, 0x20000, 0x0, 0x0, @by_dev={r2}, [@cache={0x0, 0x3000, 0x0, 0x90, 'cache\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x0}, 0x20, @ram={'/dev/ram', 0x1}, 0x20, '128', 0x20, '2 metadata2 writethrough', 0x20, 'smq 2 migration_threshold 1024'}}]}) pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy validation run: crashed=true reproducing took 47m42.317458172s repro crashed as (corrupted=false): workqueue: Failed to create a rescuer kthread for wq "kcopyd": -EINTR ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:82 [inline] BUG: KASAN: null-ptr-deref in atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] BUG: KASAN: null-ptr-deref in dm_kcopyd_client_destroy+0xa0/0x3c4 drivers/md/dm-kcopyd.c:980 Read of size 4 at addr 0000000000000174 by task syz.4.21/5108 CPU: 0 UID: 0 PID: 5108 Comm: syz.4.21 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 print_report+0x58/0x84 mm/kasan/report.c:485 kasan_report+0x8c/0xc4 mm/kasan/report.c:595 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x17c/0x1ac mm/kasan/generic.c:200 __kasan_check_read+0x20/0x30 mm/kasan/shadow.c:31 instrument_atomic_read include/linux/instrumented.h:82 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] dm_kcopyd_client_destroy+0xa0/0x3c4 drivers/md/dm-kcopyd.c:980 __destroy+0x15c/0x2cc drivers/md/dm-cache-target.c:1973 cache_create drivers/md/dm-cache-target.c:2604 [inline] cache_ctr+0xe78/0x1f1c drivers/md/dm-cache-target.c:2649 dm_table_add_target+0x44c/0xb18 drivers/md/dm-table.c:749 populate_table drivers/md/dm-ioctl.c:1602 [inline] table_load+0x27c/0x764 drivers/md/dm-ioctl.c:1645 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline] dm_ctl_ioctl+0x884/0xbbc drivers/md/dm-ioctl.c:2243 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 ================================================================== Unable to handle kernel paging request at virtual address dfff80000000002e KASAN: null-ptr-deref in range [0x0000000000000170-0x0000000000000177] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0 [dfff80000000002e] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 5108 Comm: syz.4.21 Tainted: G B syzkaller #0 PREEMPT Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : raw_atomic_read include/linux/atomic/atomic-arch-fallback.h:457 [inline] pc : atomic_read include/linux/atomic/atomic-instrumented.h:33 [inline] pc : dm_kcopyd_client_destroy+0xa4/0x3c4 drivers/md/dm-kcopyd.c:980 lr : instrument_atomic_read include/linux/instrumented.h:82 [inline] lr : atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] lr : dm_kcopyd_client_destroy+0xa0/0x3c4 drivers/md/dm-kcopyd.c:980 sp : ffff800099d17620 x29: ffff800099d176c0 x28: ffff7000133a2efc x27: dfff800000000000 x26: 0000000000000080 x25: 000000000000002e x24: 0000000000000174 x23: dfff800000000000 x22: ffff7000133a2ec4 x21: ffff800099d17620 x20: fffffffffffffff4 x19: fffffffffffffff4 x18: ffff80011b876000 x17: 3d3d3d3d3d3d3d3d x16: 3d3d3d3d3d3d3d3d x15: 3d3d3d3d3d3d3d3d x14: 000000000000096a x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: ffff7000115f611d x9 : 0000000000000000 x8 : 0000000000000000 x7 : 0000000000000000 x6 : ffff800080483084 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f3854 x2 : 0000000000000000 x1 : ffff0000c2e8d880 x0 : 0000000000000000 Call trace: raw_atomic_read include/linux/atomic/atomic-arch-fallback.h:457 [inline] (P) atomic_read include/linux/atomic/atomic-instrumented.h:33 [inline] (P) dm_kcopyd_client_destroy+0xa4/0x3c4 drivers/md/dm-kcopyd.c:980 (P) __destroy+0x15c/0x2cc drivers/md/dm-cache-target.c:1973 cache_create drivers/md/dm-cache-target.c:2604 [inline] cache_ctr+0xe78/0x1f1c drivers/md/dm-cache-target.c:2649 dm_table_add_target+0x44c/0xb18 drivers/md/dm-table.c:749 populate_table drivers/md/dm-ioctl.c:1602 [inline] table_load+0x27c/0x764 drivers/md/dm-ioctl.c:1645 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline] dm_ctl_ioctl+0x884/0xbbc drivers/md/dm-ioctl.c:2243 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 Code: 52800081 91060278 972cc052 d343ff19 (38f76b28) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 52800081 mov w1, #0x4 // #4 4: 91060278 add x24, x19, #0x180 8: 972cc052 bl 0xfffffffffcb30150 c: d343ff19 lsr x25, x24, #3 * 10: 38f76b28 ldrsb w8, [x25, x23] <-- trapping instruction final repro crashed as (corrupted=false): workqueue: Failed to create a rescuer kthread for wq "kcopyd": -EINTR ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:82 [inline] BUG: KASAN: null-ptr-deref in atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] BUG: KASAN: null-ptr-deref in dm_kcopyd_client_destroy+0xa0/0x3c4 drivers/md/dm-kcopyd.c:980 Read of size 4 at addr 0000000000000174 by task syz.4.21/5108 CPU: 0 UID: 0 PID: 5108 Comm: syz.4.21 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 print_report+0x58/0x84 mm/kasan/report.c:485 kasan_report+0x8c/0xc4 mm/kasan/report.c:595 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x17c/0x1ac mm/kasan/generic.c:200 __kasan_check_read+0x20/0x30 mm/kasan/shadow.c:31 instrument_atomic_read include/linux/instrumented.h:82 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] dm_kcopyd_client_destroy+0xa0/0x3c4 drivers/md/dm-kcopyd.c:980 __destroy+0x15c/0x2cc drivers/md/dm-cache-target.c:1973 cache_create drivers/md/dm-cache-target.c:2604 [inline] cache_ctr+0xe78/0x1f1c drivers/md/dm-cache-target.c:2649 dm_table_add_target+0x44c/0xb18 drivers/md/dm-table.c:749 populate_table drivers/md/dm-ioctl.c:1602 [inline] table_load+0x27c/0x764 drivers/md/dm-ioctl.c:1645 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline] dm_ctl_ioctl+0x884/0xbbc drivers/md/dm-ioctl.c:2243 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 ================================================================== Unable to handle kernel paging request at virtual address dfff80000000002e KASAN: null-ptr-deref in range [0x0000000000000170-0x0000000000000177] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0 [dfff80000000002e] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 5108 Comm: syz.4.21 Tainted: G B syzkaller #0 PREEMPT Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : raw_atomic_read include/linux/atomic/atomic-arch-fallback.h:457 [inline] pc : atomic_read include/linux/atomic/atomic-instrumented.h:33 [inline] pc : dm_kcopyd_client_destroy+0xa4/0x3c4 drivers/md/dm-kcopyd.c:980 lr : instrument_atomic_read include/linux/instrumented.h:82 [inline] lr : atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] lr : dm_kcopyd_client_destroy+0xa0/0x3c4 drivers/md/dm-kcopyd.c:980 sp : ffff800099d17620 x29: ffff800099d176c0 x28: ffff7000133a2efc x27: dfff800000000000 x26: 0000000000000080 x25: 000000000000002e x24: 0000000000000174 x23: dfff800000000000 x22: ffff7000133a2ec4 x21: ffff800099d17620 x20: fffffffffffffff4 x19: fffffffffffffff4 x18: ffff80011b876000 x17: 3d3d3d3d3d3d3d3d x16: 3d3d3d3d3d3d3d3d x15: 3d3d3d3d3d3d3d3d x14: 000000000000096a x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: ffff7000115f611d x9 : 0000000000000000 x8 : 0000000000000000 x7 : 0000000000000000 x6 : ffff800080483084 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f3854 x2 : 0000000000000000 x1 : ffff0000c2e8d880 x0 : 0000000000000000 Call trace: raw_atomic_read include/linux/atomic/atomic-arch-fallback.h:457 [inline] (P) atomic_read include/linux/atomic/atomic-instrumented.h:33 [inline] (P) dm_kcopyd_client_destroy+0xa4/0x3c4 drivers/md/dm-kcopyd.c:980 (P) __destroy+0x15c/0x2cc drivers/md/dm-cache-target.c:1973 cache_create drivers/md/dm-cache-target.c:2604 [inline] cache_ctr+0xe78/0x1f1c drivers/md/dm-cache-target.c:2649 dm_table_add_target+0x44c/0xb18 drivers/md/dm-table.c:749 populate_table drivers/md/dm-ioctl.c:1602 [inline] table_load+0x27c/0x764 drivers/md/dm-ioctl.c:1645 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline] dm_ctl_ioctl+0x884/0xbbc drivers/md/dm-ioctl.c:2243 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 Code: 52800081 91060278 972cc052 d343ff19 (38f76b28) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 52800081 mov w1, #0x4 // #4 4: 91060278 add x24, x19, #0x180 8: 972cc052 bl 0xfffffffffcb30150 c: d343ff19 lsr x25, x24, #3 * 10: 38f76b28 ldrsb w8, [x25, x23] <-- trapping instruction