Extracting prog: 27.351008776s
Minimizing prog: 18m36.499156307s
Simplifying prog options: 2m31.178442491s
Extracting C: 38.738742605s
Simplifying C: 0s


extracting reproducer from 54 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-sendmsg$NFT_BATCH-setsockopt$inet_msfilter-syz_mount_image$ext4-openat-openat-pwrite64-syz_mount_image$fuse-mount$overlay-pwritev2
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xb0}}, 0x0)
setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x57)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x40)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r3, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})
pwritev2(r2, &(0x7f0000000100)=[{&(0x7f0000000080)="ff", 0xfffffe75}], 0x1, 0x5405, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
single: successfully extracted reproducer
found reproducer with 13 syscalls
minimizing guilty program
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-sendmsg$NFT_BATCH-setsockopt$inet_msfilter-syz_mount_image$ext4-openat-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xb0}}, 0x0)
setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x57)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x40)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-sendmsg$NFT_BATCH-setsockopt$inet_msfilter-syz_mount_image$ext4-openat-openat-pwrite64-syz_mount_image$fuse
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xb0}}, 0x0)
setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x57)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$eJzs3d9rW+UbAPDnpM1+f7/rYAwVkcIunMyla+uPCV7MS9HhQO9naM/KaLqMJh1rHbhduBtvZAgiDsR7vfdKhv+Af8VAB0NG0QtvKic9abs1adIuWzrz+cDZ3jfnJO95cs7z9n1zTkgAA2s0+6cQ8WJEfJVEHI6IJF83HPnK0dXtlh9en8qWJFZWPv4zaWyX1Zuv1XzewbzyQkT8+kXEycLmdmuLS7PlSiWdz+tj9bkrY7XFpVOX5soz6Ux6eWJy8sybkxPvvP1Wz2J97fzf33509/0zXx5f/uan+0duJ3E2DuXrNsbxBG5srIzGaP6eFOPsYxuOr/7XizZ3haTfO8CODOV5XoysDzgcQ3nWA/99n0fECjCgEvkPA6o5DmjO7Xs0D35uPHhvdQK0Of7h1c9GYl9jbnRgOXlkZpTNd0d60H7Wxs9/3LmdLdG7zyEAOrpxMyJODw9v7v+SvP/budNdbPN4G/o/eHbuZuOf11uNfwpr459oMf452CJ3d6Jz/hfu96CZtrLx37stx79rF61GhvLa/xpjvmJy8VIlzfq2/0fEiSjuzerjW7RxZvneSrt1G8d/2ZK13xwL5vtxf3jvo8+ZLtfLTxLzRg9uRrzUcvybrB3/pMXxz96P8122cSy980q7dZ3jf7pWfoh4teXxX7+ilWx9fXKscT6MNc+Kzf66dey3du33O/7s+B/YOv6RZOP12tr22/h+3z9pu3WPxB/dn/97kk8a5T35Y9fK9fr8eMSe5MPNj0+sP7dZb26fxX/i+Nb93/r5/8va6+yPiE+7jP/W0R9f3tdN/H06/tPbOv7bL9z74LPv2rXfXf/3RqN0In+km/6vw34VY8dnMwAAAAAAAOxehYg4FEmhtFYuFEql1fs7jsaBQqVaq5+8WF24PB2N78qORLHQvNJ9eMP9EOP5/bDN+sRj9cmIOBIRXw/tb9RLU9XKdL+DBwAAAAAAAAAAAAAAAAAAgF3iYJvv/2d+H+r33gFPnZ/8hsHVMf978UtPwK7k7z8MLvkPg0v+w+CS/zC45D8MLvkPg0v+w+CS/wAAAAAAAAAAAAAAAAAAAAAAAAAAANBT58+dy5aV5YfXp7L69NXFhdnq1VPTaW22NLcwVZqqzl8pzVSrM5W0NFWd6/R6lWr1yvhELFwbq6e1+lhtcenCXHXhcv3CpbnyTHohLT6TqAAAAAAAAAAAAAAAAAAAAOD5Ultcmi1XKum8gsKOCsO7YzcUelzod88EAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOv+DQAA//8Kozfs")
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x40)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-sendmsg$NFT_BATCH-setsockopt$inet_msfilter-syz_mount_image$ext4-openat-openat-pwrite64-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xb0}}, 0x0)
setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x57)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x40)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-sendmsg$NFT_BATCH-setsockopt$inet_msfilter-syz_mount_image$ext4-openat-openat-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xb0}}, 0x0)
setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x57)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x40)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-sendmsg$NFT_BATCH-setsockopt$inet_msfilter-syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xb0}}, 0x0)
setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x57)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x40)
pwrite64(0xffffffffffffffff, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-sendmsg$NFT_BATCH-setsockopt$inet_msfilter-syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xb0}}, 0x0)
setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x57)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-sendmsg$NFT_BATCH-setsockopt$inet_msfilter-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xb0}}, 0x0)
setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x57)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-sendmsg$NFT_BATCH-syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xb0}}, 0x0)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-socket$nl_netfilter-syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
socket$nl_netfilter(0x10, 0x3, 0xc)
socket$nl_netfilter(0x10, 0x3, 0xc)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-socket$nl_netfilter-syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
socket$nl_netfilter(0x10, 0x3, 0xc)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqn-syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
setsockopt$inet_mreqn(r0, 0x0, 0x23, 0x0, 0x0)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
socket$inet(0x2, 0x2, 0x0)
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$eJzs3d9rW+UbAPDnpM1+f7/rYAwVkcIunMyla+uPCV7MS9HhQO9naM/KaLqMJh1rHbhduBtvZAgiDsR7vfdKhv+Af8VAB0NG0QtvKic9abs1adIuWzrz+cDZ3jfnJO95cs7z9n1zTkgAA2s0+6cQ8WJEfJVEHI6IJF83HPnK0dXtlh9en8qWJFZWPv4zaWyX1Zuv1XzewbzyQkT8+kXEycLmdmuLS7PlSiWdz+tj9bkrY7XFpVOX5soz6Ux6eWJy8sybkxPvvP1Wz2J97fzf33509/0zXx5f/uan+0duJ3E2DuXrNsbxBG5srIzGaP6eFOPsYxuOr/7XizZ3haTfO8CODOV5XoysDzgcQ3nWA/99n0fECjCgEvkPA6o5DmjO7Xs0D35uPHhvdQK0Of7h1c9GYl9jbnRgOXlkZpTNd0d60H7Wxs9/3LmdLdG7zyEAOrpxMyJODw9v7v+SvP/budNdbPN4G/o/eHbuZuOf11uNfwpr459oMf452CJ3d6Jz/hfu96CZtrLx37stx79rF61GhvLa/xpjvmJy8VIlzfq2/0fEiSjuzerjW7RxZvneSrt1G8d/2ZK13xwL5vtxf3jvo8+ZLtfLTxLzRg9uRrzUcvybrB3/pMXxz96P8122cSy980q7dZ3jf7pWfoh4teXxX7+ilWx9fXKscT6MNc+Kzf66dey3du33O/7s+B/YOv6RZOP12tr22/h+3z9pu3WPxB/dn/97kk8a5T35Y9fK9fr8eMSe5MPNj0+sP7dZb26fxX/i+Nb93/r5/8va6+yPiE+7jP/W0R9f3tdN/H06/tPbOv7bL9z74LPv2rXfXf/3RqN0In+km/6vw34VY8dnMwAAAAAAAOxehYg4FEmhtFYuFEql1fs7jsaBQqVaq5+8WF24PB2N78qORLHQvNJ9eMP9EOP5/bDN+sRj9cmIOBIRXw/tb9RLU9XKdL+DBwAAAAAAAAAAAAAAAAAAgF3iYJvv/2d+H+r33gFPnZ/8hsHVMf978UtPwK7k7z8MLvkPg0v+w+CS/zC45D8MLvkPg0v+w+CS/wAAAAAAAAAAAAAAAAAAAAAAAAAAANBT58+dy5aV5YfXp7L69NXFhdnq1VPTaW22NLcwVZqqzl8pzVSrM5W0NFWd6/R6lWr1yvhELFwbq6e1+lhtcenCXHXhcv3CpbnyTHohLT6TqAAAAAAAAAAAAAAAAAAAAOD5Ultcmi1XKum8gsKOCsO7YzcUelzod88EAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOv+DQAA//8Kozfs")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, 0x0, 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, 0x0, 0x0, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0), 0x0, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, 0x0, 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, 0x0, &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$eJzs3d9rW+UbAPDnpM1+f7/rYAwVkcIunMyla+uPCV7MS9HhQO9naM/KaLqMJh1rHbhduBtvZAgiDsR7vfdKhv+Af8VAB0NG0QtvKic9abs1adIuWzrz+cDZ3jfnJO95cs7z9n1zTkgAA2s0+6cQ8WJEfJVEHI6IJF83HPnK0dXtlh9en8qWJFZWPv4zaWyX1Zuv1XzewbzyQkT8+kXEycLmdmuLS7PlSiWdz+tj9bkrY7XFpVOX5soz6Ux6eWJy8sybkxPvvP1Wz2J97fzf33509/0zXx5f/uan+0duJ3E2DuXrNsbxBG5srIzGaP6eFOPsYxuOr/7XizZ3haTfO8CODOV5XoysDzgcQ3nWA/99n0fECjCgEvkPA6o5DmjO7Xs0D35uPHhvdQK0Of7h1c9GYl9jbnRgOXlkZpTNd0d60H7Wxs9/3LmdLdG7zyEAOrpxMyJODw9v7v+SvP/budNdbPN4G/o/eHbuZuOf11uNfwpr459oMf452CJ3d6Jz/hfu96CZtrLx37stx79rF61GhvLa/xpjvmJy8VIlzfq2/0fEiSjuzerjW7RxZvneSrt1G8d/2ZK13xwL5vtxf3jvo8+ZLtfLTxLzRg9uRrzUcvybrB3/pMXxz96P8122cSy980q7dZ3jf7pWfoh4teXxX7+ilWx9fXKscT6MNc+Kzf66dey3du33O/7s+B/YOv6RZOP12tr22/h+3z9pu3WPxB/dn/97kk8a5T35Y9fK9fr8eMSe5MPNj0+sP7dZb26fxX/i+Nb93/r5/8va6+yPiE+7jP/W0R9f3tdN/H06/tPbOv7bL9z74LPv2rXfXf/3RqN0In+km/6vw34VY8dnMwAAAAAAAOxehYg4FEmhtFYuFEql1fs7jsaBQqVaq5+8WF24PB2N78qORLHQvNJ9eMP9EOP5/bDN+sRj9cmIOBIRXw/tb9RLU9XKdL+DBwAAAAAAAAAAAAAAAAAAgF3iYJvv/2d+H+r33gFPnZ/8hsHVMf978UtPwK7k7z8MLvkPg0v+w+CS/zC45D8MLvkPg0v+w+CS/wAAAAAAAAAAAAAAAAAAAAAAAAAAANBT58+dy5aV5YfXp7L69NXFhdnq1VPTaW22NLcwVZqqzl8pzVSrM5W0NFWd6/R6lWr1yvhELFwbq6e1+lhtcenCXHXhcv3CpbnyTHohLT6TqAAAAAAAAAAAAAAAAAAAAOD5Ultcmi1XKum8gsKOCsO7YzcUelzod88EAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOv+DQAA//8Kozfs")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', 0x0, 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, 0x0)

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200))

program did not crash
extracting C reproducer
testing compiled C program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
program crashed: KASAN: slab-out-of-bounds Read in ext4_ext_remove_space
a never seen crash title: KASAN: slab-out-of-bounds Read in ext4_ext_remove_space, ignore
simplifying guilty program options
testing program (duration=38.38057848s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program did not crash
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
validation run: crashed=true
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
validation run: crashed=true
testing program (duration=38.38057848s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-syz_mount_image$fuse-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x1008402, &(0x7f0000000300)={[{@delalloc}, {@data_err_abort}, {@noblock_validity}, {@init_itable_val={'init_itable', 0x3d, 0x4068}}, {@user_xattr}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b2}}, {@data_err_ignore}, {@nouid32}, {@quota}, {@user_xattr}, {@noacl}, {@dioread_nolock}]}, 0x1, 0x55e, &(0x7f0000000440)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
syz_mount_image$fuse(0x0, &(0x7f0000000000)='./bus\x00', 0x300f401, 0x0, 0x2, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000440), 0x8, &(0x7f0000000200)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@index_on}]})

program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
validation run: crashed=true
reproducing took 24m18.754747753s
repro crashed as (corrupted=false):
EXT4-fs (loop2): pa ffff8881311a2dc8: logic 128, phys. 385, len 8
EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, 
free 0, pa_free 1
==================================================================
BUG: KASAN: use-after-free in ext4_ext_rm_leaf fs/ext4/extents.c:2601 [inline]
BUG: KASAN: use-after-free in ext4_ext_remove_space+0x3496/0x40d0 fs/ext4/extents.c:2939
Read of size 4 at addr ffff888131034c18 by task syz.2.19/404

CPU: 0 PID: 404 Comm: syz.2.19 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0xf1/0x140 mm/kasan/report.c:444
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 ext4_ext_rm_leaf fs/ext4/extents.c:2601 [inline]
 ext4_ext_remove_space+0x3496/0x40d0 fs/ext4/extents.c:2939
 ext4_ext_truncate+0x1a3/0x250 fs/ext4/extents.c:4479
 ext4_truncate+0x9be/0xfb0 fs/ext4/inode.c:4287
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_write_begin+0xad4/0x12e0 fs/ext4/inode.c:1276
 ext4_da_write_begin+0x321/0xbf0 fs/ext4/inode.c:2988
 generic_perform_write+0x2b7/0x690 mm/filemap.c:3870
 ext4_buffered_write_iter+0x4ed/0x670 fs/ext4/file.c:270
 ext4_file_write_iter+0x440/0x1540 fs/ext4/file.c:-1
 call_write_iter include/linux/fs.h:2212 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x835/0xfd0 fs/read_write.c:594
 ksys_pwrite64 fs/read_write.c:701 [inline]
 __do_sys_pwrite64 fs/read_write.c:711 [inline]
 __se_sys_pwrite64 fs/read_write.c:708 [inline]
 __x64_sys_pwrite64+0x197/0x220 fs/read_write.c:708
 x64_sys_call+0xa6/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:19
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f95c8d02799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f95c8b65028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f95c8f7bfa0 RCX: 00007f95c8d02799
RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f95c8d98c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f95c8f7c038 R14: 00007f95c8f7bfa0 R15: 00007ffc516966c8
 </TASK>

Allocated by task 364:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3245 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0xf7/0x260 mm/slub.c:3260
 sock_alloc_inode+0x1b/0xb0 net/socket.c:303
 alloc_inode fs/inode.c:264 [inline]
 new_inode_pseudo+0x62/0x210 fs/inode.c:1011
 sock_alloc net/socket.c:626 [inline]
 __sock_create+0x12c/0x7a0 net/socket.c:1449
 sock_create net/socket.c:1541 [inline]
 __sys_socket+0xec/0x190 net/socket.c:1583
 __do_sys_socket net/socket.c:1592 [inline]
 __se_sys_socket net/socket.c:1590 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1590
 x64_sys_call+0x8c5/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:42
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Freed by task 321:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kmem_cache_free+0x100/0x320 mm/slub.c:3544
 sock_free_inode+0x20/0x30 net/socket.c:324
 i_callback+0x4c/0x70 fs/inode.c:253
 rcu_do_batch+0x532/0xbe0 kernel/rcu/tree.c:2523
 rcu_core+0x5ee/0xf80 kernel/rcu/tree.c:2763
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
 handle_softirqs+0x250/0x560 kernel/softirq.c:583
 __do_softirq+0xb/0xd kernel/softirq.c:621

Last potentially related work creation:
 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu_common kernel/rcu/tree.c:3011 [inline]
 call_rcu+0x10b/0xf80 kernel/rcu/tree.c:3129
 destroy_inode fs/inode.c:319 [inline]
 evict+0x834/0x8d0 fs/inode.c:665
 iput_final fs/inode.c:1779 [inline]
 iput+0x635/0x7c0 fs/inode.c:1805
 dentry_unlink_inode+0x32f/0x3e0 fs/dcache.c:380
 __dentry_kill+0x44f/0x650 fs/dcache.c:586
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x47/0x90 fs/dcache.c:893
 __fput+0x580/0x8b0 fs/file_table.c:319
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff888131034c00
 which belongs to the cache sock_inode_cache of size 896
The buggy address is located 24 bytes inside of
 896-byte region [ffff888131034c00, ffff888131034f80)
The buggy address belongs to the page:
page:ffffea0004c40d00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x131034
head:ffffea0004c40d00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff8881081aa180
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Reclaimable, gfp_mask 0x1d20d0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 364, ts 24792880894, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611
 get_page_from_freelist+0x2d3a/0x2dc0 mm/page_alloc.c:4485
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5822
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa1/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x381/0x810 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0x138/0x260 mm/slub.c:3260
 sock_alloc_inode+0x1b/0xb0 net/socket.c:303
 alloc_inode fs/inode.c:264 [inline]
 new_inode_pseudo+0x62/0x210 fs/inode.c:1011
 sock_alloc net/socket.c:626 [inline]
 __sock_create+0x12c/0x7a0 net/socket.c:1449
 sock_create net/socket.c:1541 [inline]
 __sys_socket+0xec/0x190 net/socket.c:1583
 __do_sys_socket net/socket.c:1592 [inline]
 __se_sys_socket net/socket.c:1590 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1590
 x64_sys_call+0x8c5/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:42
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888131034b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888131034b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888131034c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff888131034c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888131034d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
EXT4-fs (loop2): pa ffff8881311a2dc8: logic 128, phys. 385, len 8
EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, 
free 0, pa_free 1
==================================================================
BUG: KASAN: use-after-free in ext4_ext_rm_leaf fs/ext4/extents.c:2601 [inline]
BUG: KASAN: use-after-free in ext4_ext_remove_space+0x3496/0x40d0 fs/ext4/extents.c:2939
Read of size 4 at addr ffff888131034c18 by task syz.2.19/404

CPU: 0 PID: 404 Comm: syz.2.19 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0xf1/0x140 mm/kasan/report.c:444
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 ext4_ext_rm_leaf fs/ext4/extents.c:2601 [inline]
 ext4_ext_remove_space+0x3496/0x40d0 fs/ext4/extents.c:2939
 ext4_ext_truncate+0x1a3/0x250 fs/ext4/extents.c:4479
 ext4_truncate+0x9be/0xfb0 fs/ext4/inode.c:4287
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_write_begin+0xad4/0x12e0 fs/ext4/inode.c:1276
 ext4_da_write_begin+0x321/0xbf0 fs/ext4/inode.c:2988
 generic_perform_write+0x2b7/0x690 mm/filemap.c:3870
 ext4_buffered_write_iter+0x4ed/0x670 fs/ext4/file.c:270
 ext4_file_write_iter+0x440/0x1540 fs/ext4/file.c:-1
 call_write_iter include/linux/fs.h:2212 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x835/0xfd0 fs/read_write.c:594
 ksys_pwrite64 fs/read_write.c:701 [inline]
 __do_sys_pwrite64 fs/read_write.c:711 [inline]
 __se_sys_pwrite64 fs/read_write.c:708 [inline]
 __x64_sys_pwrite64+0x197/0x220 fs/read_write.c:708
 x64_sys_call+0xa6/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:19
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f95c8d02799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f95c8b65028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f95c8f7bfa0 RCX: 00007f95c8d02799
RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f95c8d98c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f95c8f7c038 R14: 00007f95c8f7bfa0 R15: 00007ffc516966c8
 </TASK>

Allocated by task 364:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3245 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0xf7/0x260 mm/slub.c:3260
 sock_alloc_inode+0x1b/0xb0 net/socket.c:303
 alloc_inode fs/inode.c:264 [inline]
 new_inode_pseudo+0x62/0x210 fs/inode.c:1011
 sock_alloc net/socket.c:626 [inline]
 __sock_create+0x12c/0x7a0 net/socket.c:1449
 sock_create net/socket.c:1541 [inline]
 __sys_socket+0xec/0x190 net/socket.c:1583
 __do_sys_socket net/socket.c:1592 [inline]
 __se_sys_socket net/socket.c:1590 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1590
 x64_sys_call+0x8c5/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:42
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Freed by task 321:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kmem_cache_free+0x100/0x320 mm/slub.c:3544
 sock_free_inode+0x20/0x30 net/socket.c:324
 i_callback+0x4c/0x70 fs/inode.c:253
 rcu_do_batch+0x532/0xbe0 kernel/rcu/tree.c:2523
 rcu_core+0x5ee/0xf80 kernel/rcu/tree.c:2763
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
 handle_softirqs+0x250/0x560 kernel/softirq.c:583
 __do_softirq+0xb/0xd kernel/softirq.c:621

Last potentially related work creation:
 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu_common kernel/rcu/tree.c:3011 [inline]
 call_rcu+0x10b/0xf80 kernel/rcu/tree.c:3129
 destroy_inode fs/inode.c:319 [inline]
 evict+0x834/0x8d0 fs/inode.c:665
 iput_final fs/inode.c:1779 [inline]
 iput+0x635/0x7c0 fs/inode.c:1805
 dentry_unlink_inode+0x32f/0x3e0 fs/dcache.c:380
 __dentry_kill+0x44f/0x650 fs/dcache.c:586
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x47/0x90 fs/dcache.c:893
 __fput+0x580/0x8b0 fs/file_table.c:319
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff888131034c00
 which belongs to the cache sock_inode_cache of size 896
The buggy address is located 24 bytes inside of
 896-byte region [ffff888131034c00, ffff888131034f80)
The buggy address belongs to the page:
page:ffffea0004c40d00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x131034
head:ffffea0004c40d00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff8881081aa180
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Reclaimable, gfp_mask 0x1d20d0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 364, ts 24792880894, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611
 get_page_from_freelist+0x2d3a/0x2dc0 mm/page_alloc.c:4485
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5822
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa1/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x381/0x810 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0x138/0x260 mm/slub.c:3260
 sock_alloc_inode+0x1b/0xb0 net/socket.c:303
 alloc_inode fs/inode.c:264 [inline]
 new_inode_pseudo+0x62/0x210 fs/inode.c:1011
 sock_alloc net/socket.c:626 [inline]
 __sock_create+0x12c/0x7a0 net/socket.c:1449
 sock_create net/socket.c:1541 [inline]
 __sys_socket+0xec/0x190 net/socket.c:1583
 __do_sys_socket net/socket.c:1592 [inline]
 __se_sys_socket net/socket.c:1590 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1590
 x64_sys_call+0x8c5/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:42
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888131034b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888131034b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888131034c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff888131034c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888131034d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================