./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2336598318 <...> Warning: Permanently added '10.128.1.19' (ED25519) to the list of known hosts. execve("./syz-executor2336598318", ["./syz-executor2336598318"], 0x7fff585fdb50 /* 10 vars */) = 0 brk(NULL) = 0x55558375f000 brk(0x55558375fd00) = 0x55558375fd00 arch_prctl(ARCH_SET_FS, 0x55558375f380) = 0 set_tid_address(0x55558375f650) = 5818 set_robust_list(0x55558375f660, 24) = 0 rseq(0x55558375fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2336598318", 4096) = 28 getrandom("\x9e\x04\xa0\x55\x51\x6b\xbf\x17", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558375fd00 brk(0x555583780d00) = 0x555583780d00 brk(0x555583781000) = 0x555583781000 mprotect(0x7f82b6955000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5819 attached , child_tidptr=0x55558375f650) = 5819 [pid 5819] set_robust_list(0x55558375f660, 24) = 0 [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5819] getppid() = 0 [pid 5819] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5819] unshare(CLONE_NEWNS) = 0 [pid 5819] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5819] unshare(CLONE_NEWIPC) = 0 [pid 5819] unshare(CLONE_NEWCGROUP) = 0 [pid 5819] unshare(CLONE_NEWUTS) = 0 [pid 5819] unshare(CLONE_SYSVSEM) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "16777216", 8) = 8 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "536870912", 9) = 9 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "8192", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5819] close(3) = 0 [pid 5819] getpid() = 1 [pid 5819] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 72.189492][ T5819] RSP: 0018:ffffc90003cd7868 EFLAGS: 00010046 [ 72.195547][ T5819] RAX: baac48ca9c685400 RBX: ffff88804eb3bdf8 RCX: ffff88802b315a00 [ 72.203505][ T5819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 72.211460][ T5819] RBP: 0000000000000000 R08: ffffffff81600962 R09: 1ffff110170c519a [ 72.219413][ T5819] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff8880b8639838 [ 72.227381][ T5819] R13: 0000000000000000 R14: 1ffff110170c7307 R15: ffff8880b8639838 [ 72.235376][ T5819] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 72.244288][ T5819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.250854][ T5819] CR2: 00007f82b6959130 CR3: 000000000e736000 CR4: 00000000003526f0 [ 72.258813][ T5819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.266784][ T5819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.274740][ T5819] Call Trace: [ 72.278018][ T5819] [ 72.280954][ T5819] ? __warn+0x165/0x4d0 [ 72.285095][ T5819] ? invalidate_bh_lru+0x102/0x1b0 [ 72.290193][ T5819] ? report_bug+0x2b3/0x500 [ 72.294692][ T5819] ? invalidate_bh_lru+0x102/0x1b0 [ 72.299926][ T5819] ? handle_bug+0x60/0x90 [ 72.304258][ T5819] ? exc_invalid_op+0x1a/0x50 [ 72.308923][ T5819] ? asm_exc_invalid_op+0x1a/0x20 [ 72.313939][ T5819] ? __warn_printk+0x292/0x360 [ 72.318694][ T5819] ? invalidate_bh_lru+0x102/0x1b0 [ 72.323793][ T5819] ? invalidate_bh_lru+0x101/0x1b0 [ 72.328895][ T5819] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 72.334345][ T5819] smp_call_function_many_cond+0x1760/0x2c60 [ 72.340322][ T5819] ? __pfx_has_bh_in_lru+0x10/0x10 [ 72.345422][ T5819] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 72.350894][ T5819] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 72.357213][ T5819] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 72.362668][ T5819] ? __pfx_has_bh_in_lru+0x10/0x10 [ 72.367778][ T5819] on_each_cpu_cond_mask+0x3f/0x80 [ 72.372877][ T5819] blkdev_flush_mapping+0xfe/0x270 [ 72.377993][ T5819] ? bdev_release+0x456/0x700 [ 72.382677][ T5819] bdev_release+0x460/0x700 [ 72.387170][ T5819] blkdev_release+0x15/0x20 [ 72.391761][ T5819] ? __pfx_blkdev_release+0x10/0x10 [ 72.396947][ T5819] __fput+0x23c/0xa50 [ 72.400920][ T5819] task_work_run+0x24f/0x310 [ 72.405500][ T5819] ? __pfx_task_work_run+0x10/0x10 [ 72.410594][ T5819] ? do_exit+0xa2a/0x28e0 [ 72.414913][ T5819] ? do_exit+0xa2a/0x28e0 [ 72.419228][ T5819] do_exit+0xa2f/0x28e0 [ 72.423369][ T5819] ? __pfx_do_exit+0x10/0x10 [ 72.427998][ T5819] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 72.433986][ T5819] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.440304][ T5819] ? _raw_spin_unlock_irq+0x23/0x50 [ 72.445499][ T5819] ? lockdep_hardirqs_on+0x99/0x150 [ 72.450684][ T5819] do_group_exit+0x207/0x2c0 [ 72.455261][ T5819] __x64_sys_exit_group+0x3f/0x40 [ 72.460269][ T5819] x64_sys_call+0x26a8/0x26b0 [ 72.464933][ T5819] do_syscall_64+0xf3/0x230 [ 72.469423][ T5819] ? clear_bhb_loop+0x35/0x90 [ 72.474088][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.479975][ T5819] RIP: 0033:0x7f82b68db7a9 [ 72.484389][ T5819] Code: Unable to access opcode bytes at 0x7f82b68db77f. [ 72.491405][ T5819] RSP: 002b:00007ffd8cc0b8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 72.499805][ T5819] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f82b68db7a9 [ 72.507756][ T5819] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 72.515797][ T5819] RBP: 00007f82b695b370 R08: ffffffffffffffb8 R09: 0000555500000000 [ 72.523749][ T5819] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f82b695b370 [ 72.531707][ T5819] R13: 0000000000000000 R14: 00007f82b695e1a0 R15: 00007f82b68a8f70 [ 72.539756][ T5819] [ 72.542765][ T5819] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.550033][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor233 Not tainted 6.13.0-rc2-syzkaller-00031-gf92f4749861b #0 [ 72.561135][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 72.571172][ T5819] Call Trace: [ 72.574437][ T5819] [ 72.577362][ T5819] dump_stack_lvl+0x241/0x360 [ 72.582066][ T5819] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.587268][ T5819] ? __pfx__printk+0x10/0x10 [ 72.591840][ T5819] ? _printk+0xd5/0x120 [ 72.595984][ T5819] ? __init_begin+0x41000/0x41000 [ 72.600998][ T5819] ? vscnprintf+0x5d/0x90 [ 72.605309][ T5819] panic+0x349/0x880 [ 72.609187][ T5819] ? __warn+0x174/0x4d0 [ 72.613327][ T5819] ? __pfx_panic+0x10/0x10 [ 72.617735][ T5819] __warn+0x344/0x4d0 [ 72.621700][ T5819] ? invalidate_bh_lru+0x102/0x1b0 [ 72.626895][ T5819] report_bug+0x2b3/0x500 [ 72.631260][ T5819] ? invalidate_bh_lru+0x102/0x1b0 [ 72.636359][ T5819] handle_bug+0x60/0x90 [ 72.640500][ T5819] exc_invalid_op+0x1a/0x50 [ 72.644999][ T5819] asm_exc_invalid_op+0x1a/0x20 [ 72.649834][ T5819] RIP: 0010:invalidate_bh_lru+0x102/0x1b0 [ 72.655713][ T5819] Code: a4 30 dc ff f0 ff 0b eb 25 e8 1a 58 78 ff 41 80 3c 2e 00 75 2a eb 30 e8 0c 58 78 ff 90 48 c7 c7 20 da 18 8c e8 df 00 39 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 72.675303][ T5819] RSP: 0018:ffffc90003cd7868 EFLAGS: 00010046 [ 72.681362][ T5819] RAX: baac48ca9c685400 RBX: ffff88804eb3bdf8 RCX: ffff88802b315a00 [ 72.689341][ T5819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 72.697302][ T5819] RBP: 0000000000000000 R08: ffffffff81600962 R09: 1ffff110170c519a [ 72.705257][ T5819] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff8880b8639838 [ 72.713231][ T5819] R13: 0000000000000000 R14: 1ffff110170c7307 R15: ffff8880b8639838 [ 72.721201][ T5819] ? __warn_printk+0x292/0x360 [ 72.725956][ T5819] ? invalidate_bh_lru+0x101/0x1b0 [ 72.731058][ T5819] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 72.736510][ T5819] smp_call_function_many_cond+0x1760/0x2c60 [ 72.742507][ T5819] ? __pfx_has_bh_in_lru+0x10/0x10 [ 72.747613][ T5819] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 72.753067][ T5819] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 72.759383][ T5819] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 72.764828][ T5819] ? __pfx_has_bh_in_lru+0x10/0x10 [ 72.769927][ T5819] on_each_cpu_cond_mask+0x3f/0x80 [ 72.775023][ T5819] blkdev_flush_mapping+0xfe/0x270 [ 72.780123][ T5819] ? bdev_release+0x456/0x700 [ 72.784794][ T5819] bdev_release+0x460/0x700 [ 72.789289][ T5819] blkdev_release+0x15/0x20 [ 72.793775][ T5819] ? __pfx_blkdev_release+0x10/0x10 [ 72.798999][ T5819] __fput+0x23c/0xa50 [ 72.802971][ T5819] task_work_run+0x24f/0x310 [ 72.807554][ T5819] ? __pfx_task_work_run+0x10/0x10 [ 72.812648][ T5819] ? do_exit+0xa2a/0x28e0 [ 72.816966][ T5819] ? do_exit+0xa2a/0x28e0 [ 72.821278][ T5819] do_exit+0xa2f/0x28e0 [ 72.825421][ T5819] ? __pfx_do_exit+0x10/0x10 [ 72.829997][ T5819] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 72.835998][ T5819] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.842310][ T5819] ? _raw_spin_unlock_irq+0x23/0x50 [ 72.847493][ T5819] ? lockdep_hardirqs_on+0x99/0x150 [ 72.852677][ T5819] do_group_exit+0x207/0x2c0 [ 72.857252][ T5819] __x64_sys_exit_group+0x3f/0x40 [ 72.862259][ T5819] x64_sys_call+0x26a8/0x26b0 [ 72.866921][ T5819] do_syscall_64+0xf3/0x230 [ 72.871407][ T5819] ? clear_bhb_loop+0x35/0x90 [ 72.876070][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.881953][ T5819] RIP: 0033:0x7f82b68db7a9 [ 72.886362][ T5819] Code: Unable to access opcode bytes at 0x7f82b68db77f. [ 72.893379][ T5819] RSP: 002b:00007ffd8cc0b8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 72.901779][ T5819] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f82b68db7a9 [ 72.909735][ T5819] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 72.917688][ T5819] RBP: 00007f82b695b370 R08: ffffffffffffffb8 R09: 0000555500000000 [ 72.925641][ T5819] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f82b695b370 [ 72.933598][ T5819] R13: 0000000000000000 R14: 00007f82b695e1a0 R15: 00007f82b68a8f70 [ 72.941657][ T5819] [ 72.944965][ T5819] Kernel Offset: disabled [ 72.949322][ T5819] Rebooting in 86400 seconds..