Extracting prog: 12m25.109386387s Minimizing prog: 2h57m42.893884436s Simplifying prog options: 0s Extracting C: 2m27.956922734s Simplifying C: 18m49.394456631s extracting reproducer from 47 programs testing a last program of every proc single: executing 12 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): connect$pppoe-openat$sndseq-ioctl$SNDRV_SEQ_IOCTL_GET_PORT_INFO-prlimit64-sched_setscheduler-sched_setaffinity-syz_open_dev$MSR-read$msr-openat$mixer-socket$nl_xfrm-sendmsg$nl_xfrm-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-openat$sequencer2-ioctl$SNDCTL_SEQ_RESET detailed listing: executing program 0: connect$pppoe(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, {0x7, @random="02f18a9ccbf3", 'ip6gre0\x00'}}, 0x1e) r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000040), 0x200200) ioctl$SNDRV_SEQ_IOCTL_GET_PORT_INFO(r0, 0xc0a85322, &(0x7f0000000080)) prlimit64(0x0, 0xe, &(0x7f0000000240)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x3) sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2) r1 = syz_open_dev$MSR(&(0x7f0000000100), 0x0, 0x0) read$msr(r1, &(0x7f0000001a40)=""/102392, 0x18ff8) openat$mixer(0xffffffffffffff9c, &(0x7f0000000040), 0x20200, 0x0) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000001f40)={&(0x7f00000004c0)=@updpolicy={0xfc, 0x19, 0x1, 0x0, 0x0, {{@in=@multicast2, @in6=@loopback, 0x0, 0x8, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, {0x0, 0xa9, 0x0, 0x0, 0x0, 0xffffffffffffffff}, {0x800000000000, 0xa00, 0x40800000000000, 0x800000000000002}}, [@tmpl={0x44, 0x5, [{{@in=@local, 0x0, 0x3c}, 0x0, @in=@broadcast, 0x2, 0x4, 0x3}]}]}, 0xfc}}, 0x0) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(0xffffffffffffffff, 0xc0305710, 0x0) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000), 0x80383, 0x0) ioctl$SNDCTL_SEQ_RESET(r3, 0x5100) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-sendmsg$NL80211_CMD_SET_PMKSA-fstat-fchown-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r3 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0) r4 = fsmount(r3, 0x0, 0x0) statx(r1, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) sendmsg$NL80211_CMD_SET_PMKSA(r4, &(0x7f00000003c0)={&(0x7f0000000140), 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0) fstat(r4, 0x0) fchown(r0, r5, 0x0) fchdir(r4) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r6 = openat(r4, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r7 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r7, &(0x7f0000004200)='t', 0x1) sendfile(r7, r6, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 24 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-sendmsg$NL80211_CMD_SET_PMKSA-fstat-fchown-fchdir-open-openat-openat-write detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r3 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0) r4 = fsmount(r3, 0x0, 0x0) statx(r1, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) sendmsg$NL80211_CMD_SET_PMKSA(r4, &(0x7f00000003c0)={&(0x7f0000000140), 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0) fstat(r4, 0x0) fchown(r0, r5, 0x0) fchdir(r4) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) openat(r4, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r6, &(0x7f0000004200)='t', 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-sendmsg$NL80211_CMD_SET_PMKSA-fstat-fchown-fchdir-open-openat-openat-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r3 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0) r4 = fsmount(r3, 0x0, 0x0) statx(r1, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) sendmsg$NL80211_CMD_SET_PMKSA(r4, &(0x7f00000003c0)={&(0x7f0000000140), 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0) fstat(r4, 0x0) fchown(r0, r5, 0x0) fchdir(r4) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r6 = openat(r4, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r7 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) sendfile(r7, r6, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-sendmsg$NL80211_CMD_SET_PMKSA-fstat-fchown-fchdir-open-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r3 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0) r4 = fsmount(r3, 0x0, 0x0) statx(r1, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) sendmsg$NL80211_CMD_SET_PMKSA(r4, &(0x7f00000003c0)={&(0x7f0000000140), 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0) fstat(r4, 0x0) fchown(r0, r5, 0x0) fchdir(r4) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r6 = openat(r4, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) write(0xffffffffffffffff, &(0x7f0000004200)='t', 0x1) sendfile(0xffffffffffffffff, r6, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-sendmsg$NL80211_CMD_SET_PMKSA-fstat-fchown-fchdir-open-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r3 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0) r4 = fsmount(r3, 0x0, 0x0) statx(r1, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) sendmsg$NL80211_CMD_SET_PMKSA(r4, &(0x7f00000003c0)={&(0x7f0000000140), 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0) fstat(r4, 0x0) fchown(r0, r5, 0x0) fchdir(r4) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r6, &(0x7f0000004200)='t', 0x1) sendfile(r6, 0xffffffffffffffff, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-sendmsg$NL80211_CMD_SET_PMKSA-fstat-fchown-fchdir-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r3 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0) r4 = fsmount(r3, 0x0, 0x0) statx(r1, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) sendmsg$NL80211_CMD_SET_PMKSA(r4, &(0x7f00000003c0)={&(0x7f0000000140), 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0) fstat(r4, 0x0) fchown(r0, r5, 0x0) fchdir(r4) r6 = openat(r4, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r7 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r7, &(0x7f0000004200)='t', 0x1) sendfile(r7, r6, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-sendmsg$NL80211_CMD_SET_PMKSA-fstat-fchown-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r3 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0) r4 = fsmount(r3, 0x0, 0x0) statx(r1, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) sendmsg$NL80211_CMD_SET_PMKSA(r4, &(0x7f00000003c0)={&(0x7f0000000140), 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0) fstat(r4, 0x0) fchown(r0, r5, 0x0) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r6 = openat(r4, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r7 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r7, &(0x7f0000004200)='t', 0x1) sendfile(r7, r6, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-sendmsg$NL80211_CMD_SET_PMKSA-fstat-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r2 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0) r3 = fsmount(r2, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r4) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) sendmsg$NL80211_CMD_SET_PMKSA(r3, &(0x7f00000003c0)={&(0x7f0000000140), 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0) fstat(r3, 0x0) fchdir(r3) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r5 = openat(r3, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r6, &(0x7f0000004200)='t', 0x1) sendfile(r6, r5, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-sendmsg$NL80211_CMD_SET_PMKSA-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r2 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0) r3 = fsmount(r2, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r4) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) sendmsg$NL80211_CMD_SET_PMKSA(r3, &(0x7f00000003c0)={&(0x7f0000000140), 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0) fchdir(r3) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r5 = openat(r3, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r6, &(0x7f0000004200)='t', 0x1) sendfile(r6, r5, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r2 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0) r3 = fsmount(r2, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r4) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r3) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r5 = openat(r3, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r6, &(0x7f0000004200)='t', 0x1) sendfile(r6, r5, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-setuid-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r2 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0) r3 = fsmount(r2, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r4) fchdir(r3) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r5 = openat(r3, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r6, &(0x7f0000004200)='t', 0x1) sendfile(r6, r5, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r2 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0) r3 = fsmount(r2, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r3) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r4 = openat(r3, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r5, &(0x7f0000004200)='t', 0x1) sendfile(r5, r4, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in sys_munmap testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r2) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r3 = openat(r2, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r4, &(0x7f0000004200)='t', 0x1) sendfile(r4, r3, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsconfig$FSCONFIG_CMD_CREATE-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r2 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(0xffffffffffffffff) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r3 = openat(0xffffffffffffffff, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r4, &(0x7f0000004200)='t', 0x1) sendfile(r4, r3, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsopen-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r2 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) r3 = fsmount(r2, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r3) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r4 = openat(r3, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r5, &(0x7f0000004200)='t', 0x1) sendfile(r5, r4, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-writev-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(0xffffffffffffffff, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r2) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r3 = openat(r2, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r4, &(0x7f0000004200)='t', 0x1) sendfile(r4, r3, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-openat$cgroup_ro-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) r1 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r2) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r3 = openat(r2, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r4, &(0x7f0000004200)='t', 0x1) sendfile(r4, r3, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in worker_thread testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) r1 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r2) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r3 = openat(r2, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r4, &(0x7f0000004200)='t', 0x1) sendfile(r4, r3, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r2) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r3 = openat(r2, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r4, &(0x7f0000004200)='t', 0x1) sendfile(r4, r3, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-prlimit64-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) r1 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r2) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r3 = openat(r2, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r4, &(0x7f0000004200)='t', 0x1) sendfile(r4, r3, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prctl$PR_SCHED_CORE-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r2) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r3 = openat(r2, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r4, &(0x7f0000004200)='t', 0x1) sendfile(r4, r3, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-openat$rtc-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200), 0x140, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r1 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) statx(r0, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r2) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r3 = openat(r2, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r4, &(0x7f0000004200)='t', 0x1) sendfile(r4, r3, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in worker_thread testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$vicodec0-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(0x0, 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, &(0x7f00000004c0)) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, 0x0) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(0x0, 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, 0x0, 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, 0x0, 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, 0x0, 0x0) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200), 0x0) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile program crashed: INFO: rcu detected stall in corrupted simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile program crashed: INFO: rcu detected stall in io_uring_setup a never seen crash title: INFO: rcu detected stall in io_uring_setup, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-statx-io_uring_setup-fchdir-open-openat-openat-write-sendfile detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) statx(0xffffffffffffffff, 0x0, 0x400, 0x10, 0x0) io_uring_setup(0x667e, &(0x7f0000000400)={0x0, 0x25e1, 0x3000, 0x2, 0xfefffffd}) fchdir(r1) open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80) r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50) write(r3, &(0x7f0000004200)='t', 0x1) sendfile(r3, r2, 0x0, 0x7fffffff) program crashed: INFO: rcu detected stall in sendfile64 validation run: crashed=true reproducing took 3h52m50.339171976s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P11/2:b..l rcu: (detected by 0, t=10502 jiffies, g=13529, q=415 ncpus=2) task:kworker/u4:0 state:R running task stack:25032 pid:11 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x15ae/0x4660 kernel/sched/core.c:6700 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6867 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6891 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45 __local_bh_enable_ip+0x14b/0x1c0 kernel/softirq.c:413 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:856 [inline] __dev_queue_xmit+0x1bc2/0x3630 net/core/dev.c:4490 dev_queue_xmit include/linux/netdevice.h:3113 [inline] neigh_hh_output include/net/neighbour.h:527 [inline] neigh_output include/net/neighbour.h:541 [inline] ip6_finish_output2+0xdf7/0x1620 net/ipv6/ip6_output.c:141 dst_output include/net/dst.h:467 [inline] NF_HOOK+0x167/0x4a0 include/linux/netfilter.h:304 mld_sendpack+0x802/0xd60 net/ipv6/mcast.c:1823 ipv6_mc_dad_complete+0x87/0x4b0 net/ipv6/mcast.c:2248 addrconf_dad_completed+0x77e/0xd90 net/ipv6/addrconf.c:4327 addrconf_dad_work+0xc9e/0x1550 net/ipv6/addrconf.c:-1 process_one_work kernel/workqueue.c:2653 [inline] process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2730 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2811 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: rcu_preempt kthread starved for 10532 jiffies! g13529 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:25960 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x15ae/0x4660 kernel/sched/core.c:6700 schedule+0xbd/0x170 kernel/sched/core.c:6774 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x30d/0x1590 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 6021 Comm: syz.1.18 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:netdev_core_pick_tx+0x11a/0x370 net/core/dev.c:4325 Code: 8b 6d 00 49 83 c5 30 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 fa 44 67 f9 4d 8b 6d 00 <4d> 85 ed 74 13 e8 7c d0 0e f9 48 89 df 4c 89 f6 4c 89 e2 41 ff d5 RSP: 0018:ffffc900001f0668 EFLAGS: 00000246 RAX: 1ffffffff16a68e2 RBX: ffff88806ca10000 RCX: dffffc0000000000 RDX: ffff88802c6dbc00 RSI: 0000000000000002 RDI: 0000000000000001 RBP: 0000000000000002 R08: dffffc0000000000 R09: 1ffffffff22378ad R10: dffffc0000000000 R11: fffffbfff22378ae R12: 0000000000000000 R13: 0000000000000000 R14: ffff88801fb0b640 R15: 1ffff1100d942089 FS: 000055557c607500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000004200 CR3: 000000005f210000 CR4: 00000000003506e0 Call Trace: __dev_queue_xmit+0x864/0x3630 net/core/dev.c:4410 dev_queue_xmit include/linux/netdevice.h:3113 [inline] hsr_xmit net/hsr/hsr_forward.c:382 [inline] hsr_forward_do net/hsr/hsr_forward.c:473 [inline] hsr_forward_skb+0x12a9/0x20b0 net/hsr/hsr_forward.c:626 send_hsr_supervision_frame+0x5fb/0xb90 net/hsr/hsr_device.c:346 hsr_announce+0x198/0x350 net/hsr/hsr_device.c:402 call_timer_fn+0x189/0x540 kernel/time/timer.c:1701 expire_timers kernel/time/timer.c:1752 [inline] __run_timers+0x570/0x810 kernel/time/timer.c:2023 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036 handle_softirqs+0x27d/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:in_gate_area_no_mm+0x3d/0x50 arch/x86/entry/vsyscall/vsyscall_64.c:332 Code: 0b bf 02 00 00 00 89 ee e8 00 4d 86 00 83 fd 02 40 0f 95 c5 48 81 e3 00 f0 ff ff 48 c7 c7 00 00 60 ff 48 89 de e8 73 4d 86 00 <48> 81 fb 00 00 60 ff 0f 94 c0 40 20 e8 0f b6 c0 5b 5d c3 f3 0f 1e RSP: 0018:ffffc900035073b8 EFLAGS: 00000293 RAX: ffffffff81009c1d RBX: 00007fd46899d000 RCX: ffff88802c6dbc00 RDX: 0000000000000000 RSI: 00007fd46899d000 RDI: ffffffffff600000 RBP: 0000000000000001 R08: ffff88802c6dbc00 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: ffffffff8aa000d0 R13: ffffc90003507840 R14: dffffc0000000000 R15: 1ffff920006a0e8e is_kernel_text include/linux/kallsyms.h:31 [inline] core_kernel_text kernel/extable.c:68 [inline] kernel_text_address+0x2d/0xd0 kernel/extable.c:99 __kernel_text_address+0xd/0x30 kernel/extable.c:79 unwind_get_return_address+0x5d/0xc0 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0x11d/0x190 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4e/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x28/0x40 mm/kasan/generic.c:522 ____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1811 [inline] slab_free_freelist_hook+0x130/0x1a0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] __kmem_cache_free+0xba/0x1f0 mm/slub.c:3843 iter_file_splice_write+0xb36/0xcf0 fs/splice.c:764 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0xe8/0x130 fs/splice.c:1142 splice_direct_to_actor+0x30b/0x8e0 fs/splice.c:1088 do_splice_direct+0x1d5/0x2f0 fs/splice.c:1194 do_sendfile+0x52b/0xe80 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x145/0x1a0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fd46899de59 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:00007fffc47efc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fd468c25fa0 RCX: 00007fd46899de59 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000008 RBP: 00007fd468a33e6f R08: 0000000000000000 R09: 0000000000000000 R10: 000000007fffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd468c25fac R14: 00007fd468c25fa0 R15: 00007fd468c25fa0 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P11/2:b..l rcu: (detected by 0, t=10502 jiffies, g=13529, q=415 ncpus=2) task:kworker/u4:0 state:R running task stack:25032 pid:11 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x15ae/0x4660 kernel/sched/core.c:6700 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6867 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6891 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45 __local_bh_enable_ip+0x14b/0x1c0 kernel/softirq.c:413 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:856 [inline] __dev_queue_xmit+0x1bc2/0x3630 net/core/dev.c:4490 dev_queue_xmit include/linux/netdevice.h:3113 [inline] neigh_hh_output include/net/neighbour.h:527 [inline] neigh_output include/net/neighbour.h:541 [inline] ip6_finish_output2+0xdf7/0x1620 net/ipv6/ip6_output.c:141 dst_output include/net/dst.h:467 [inline] NF_HOOK+0x167/0x4a0 include/linux/netfilter.h:304 mld_sendpack+0x802/0xd60 net/ipv6/mcast.c:1823 ipv6_mc_dad_complete+0x87/0x4b0 net/ipv6/mcast.c:2248 addrconf_dad_completed+0x77e/0xd90 net/ipv6/addrconf.c:4327 addrconf_dad_work+0xc9e/0x1550 net/ipv6/addrconf.c:-1 process_one_work kernel/workqueue.c:2653 [inline] process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2730 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2811 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: rcu_preempt kthread starved for 10532 jiffies! g13529 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:25960 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x15ae/0x4660 kernel/sched/core.c:6700 schedule+0xbd/0x170 kernel/sched/core.c:6774 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x30d/0x1590 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 6021 Comm: syz.1.18 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:netdev_core_pick_tx+0x11a/0x370 net/core/dev.c:4325 Code: 8b 6d 00 49 83 c5 30 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 fa 44 67 f9 4d 8b 6d 00 <4d> 85 ed 74 13 e8 7c d0 0e f9 48 89 df 4c 89 f6 4c 89 e2 41 ff d5 RSP: 0018:ffffc900001f0668 EFLAGS: 00000246 RAX: 1ffffffff16a68e2 RBX: ffff88806ca10000 RCX: dffffc0000000000 RDX: ffff88802c6dbc00 RSI: 0000000000000002 RDI: 0000000000000001 RBP: 0000000000000002 R08: dffffc0000000000 R09: 1ffffffff22378ad R10: dffffc0000000000 R11: fffffbfff22378ae R12: 0000000000000000 R13: 0000000000000000 R14: ffff88801fb0b640 R15: 1ffff1100d942089 FS: 000055557c607500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000004200 CR3: 000000005f210000 CR4: 00000000003506e0 Call Trace: __dev_queue_xmit+0x864/0x3630 net/core/dev.c:4410 dev_queue_xmit include/linux/netdevice.h:3113 [inline] hsr_xmit net/hsr/hsr_forward.c:382 [inline] hsr_forward_do net/hsr/hsr_forward.c:473 [inline] hsr_forward_skb+0x12a9/0x20b0 net/hsr/hsr_forward.c:626 send_hsr_supervision_frame+0x5fb/0xb90 net/hsr/hsr_device.c:346 hsr_announce+0x198/0x350 net/hsr/hsr_device.c:402 call_timer_fn+0x189/0x540 kernel/time/timer.c:1701 expire_timers kernel/time/timer.c:1752 [inline] __run_timers+0x570/0x810 kernel/time/timer.c:2023 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036 handle_softirqs+0x27d/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:in_gate_area_no_mm+0x3d/0x50 arch/x86/entry/vsyscall/vsyscall_64.c:332 Code: 0b bf 02 00 00 00 89 ee e8 00 4d 86 00 83 fd 02 40 0f 95 c5 48 81 e3 00 f0 ff ff 48 c7 c7 00 00 60 ff 48 89 de e8 73 4d 86 00 <48> 81 fb 00 00 60 ff 0f 94 c0 40 20 e8 0f b6 c0 5b 5d c3 f3 0f 1e RSP: 0018:ffffc900035073b8 EFLAGS: 00000293 RAX: ffffffff81009c1d RBX: 00007fd46899d000 RCX: ffff88802c6dbc00 RDX: 0000000000000000 RSI: 00007fd46899d000 RDI: ffffffffff600000 RBP: 0000000000000001 R08: ffff88802c6dbc00 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: ffffffff8aa000d0 R13: ffffc90003507840 R14: dffffc0000000000 R15: 1ffff920006a0e8e is_kernel_text include/linux/kallsyms.h:31 [inline] core_kernel_text kernel/extable.c:68 [inline] kernel_text_address+0x2d/0xd0 kernel/extable.c:99 __kernel_text_address+0xd/0x30 kernel/extable.c:79 unwind_get_return_address+0x5d/0xc0 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0x11d/0x190 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4e/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x28/0x40 mm/kasan/generic.c:522 ____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1811 [inline] slab_free_freelist_hook+0x130/0x1a0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] __kmem_cache_free+0xba/0x1f0 mm/slub.c:3843 iter_file_splice_write+0xb36/0xcf0 fs/splice.c:764 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0xe8/0x130 fs/splice.c:1142 splice_direct_to_actor+0x30b/0x8e0 fs/splice.c:1088 do_splice_direct+0x1d5/0x2f0 fs/splice.c:1194 do_sendfile+0x52b/0xe80 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x145/0x1a0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fd46899de59 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:00007fffc47efc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fd468c25fa0 RCX: 00007fd46899de59 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000008 RBP: 00007fd468a33e6f R08: 0000000000000000 R09: 0000000000000000 R10: 000000007fffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd468c25fac R14: 00007fd468c25fa0 R15: 00007fd468c25fa0