./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor729638739 <...> Warning: Permanently added '10.128.1.158' (ED25519) to the list of known hosts. execve("./syz-executor729638739", ["./syz-executor729638739"], 0x7ffe0681d4d0 /* 10 vars */) = 0 brk(NULL) = 0x555556b42000 brk(0x555556b42d00) = 0x555556b42d00 arch_prctl(ARCH_SET_FS, 0x555556b42380) = 0 set_tid_address(0x555556b42650) = 5042 set_robust_list(0x555556b42660, 24) = 0 rseq(0x555556b42ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor729638739", 4096) = 27 getrandom("\x5a\x2f\x06\xee\x91\x04\x0b\xba", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b42d00 brk(0x555556b63d00) = 0x555556b63d00 brk(0x555556b64000) = 0x555556b64000 mprotect(0x7f6700cde000, 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, child_tidptr=0x555556b42650) = 5043 ./strace-static-x86_64: Process 5043 attached [pid 5043] set_robust_list(0x555556b42660, 24) = 0 [pid 5043] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5043] setsid() = 1 [pid 5043] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5043] unshare(CLONE_NEWNS) = 0 [pid 5043] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5043] unshare(CLONE_NEWIPC) = 0 [pid 5043] unshare(CLONE_NEWCGROUP) = 0 [pid 5043] unshare(CLONE_NEWUTS) = 0 [pid 5043] unshare(CLONE_SYSVSEM) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "16777216", 8) = 8 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "536870912", 9) = 9 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1024", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "8192", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1024", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1024", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5043] close(3) = 0 [pid 5043] getpid() = 1 [pid 5043] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 db 42 d2 ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 0a 0d [ 88.816596][ T5043] RSP: 0018:ffffc900039ef828 EFLAGS: 00010093 [ 88.822698][ T5043] RAX: 0000000000000000 RBX: ffffea0001cfe400 RCX: 0000000000000000 [ 88.830773][ T5043] RDX: ffff88807e171dc0 RSI: ffffffff81b559ae RDI: 0000000000000000 [ 88.838769][ T5043] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1d9be7a [ 88.846764][ T5043] R10: ffffffff8ecdf3d7 R11: 0000000000000001 R12: ffff8880258003b8 [ 88.854837][ T5043] R13: ffffea0001cfe400 R14: ffffea0001cfe418 R15: ffffea0001cfe420 [ 88.862825][ T5043] FS: 0000555556b42380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 88.871799][ T5043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.878400][ T5043] CR2: 00000000005fdeb8 CR3: 000000007a443000 CR4: 00000000003506f0 [ 88.886390][ T5043] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.894388][ T5043] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.902465][ T5043] Call Trace: [ 88.905770][ T5043] [ 88.908711][ T5043] ? show_regs+0x8f/0xa0 [ 88.912984][ T5043] ? die+0x36/0xa0 [ 88.916726][ T5043] ? do_trap+0x22b/0x420 [ 88.920993][ T5043] ? filemap_unaccount_folio+0x62e/0x870 [ 88.926653][ T5043] ? filemap_unaccount_folio+0x62e/0x870 [ 88.932311][ T5043] ? do_error_trap+0xf4/0x230 [ 88.937015][ T5043] ? filemap_unaccount_folio+0x62e/0x870 [ 88.942761][ T5043] ? handle_invalid_op+0x34/0x40 [ 88.947726][ T5043] ? filemap_unaccount_folio+0x62e/0x870 [ 88.953383][ T5043] ? exc_invalid_op+0x2d/0x40 [ 88.958097][ T5043] ? asm_exc_invalid_op+0x1a/0x20 [ 88.963167][ T5043] ? filemap_unaccount_folio+0x62e/0x870 [ 88.968826][ T5043] ? filemap_unaccount_folio+0x62e/0x870 [ 88.974487][ T5043] ? filemap_unaccount_folio+0x62e/0x870 [ 88.980149][ T5043] __filemap_remove_folio+0x110/0x820 [ 88.985552][ T5043] ? lock_sync+0x190/0x190 [ 88.989998][ T5043] ? filemap_map_pages+0x1240/0x1240 [ 88.995308][ T5043] ? do_raw_spin_lock+0x12e/0x2b0 [ 89.000364][ T5043] ? spin_bug+0x1d0/0x1d0 [ 89.004731][ T5043] filemap_remove_folio+0xca/0x210 [ 89.009871][ T5043] truncate_inode_folio+0x49/0x70 [ 89.014923][ T5043] shmem_undo_range+0x365/0x1040 [ 89.019902][ T5043] ? shmem_get_partial_folio+0x330/0x330 [ 89.025571][ T5043] ? psi_task_switch+0x2d9/0x900 [ 89.030538][ T5043] ? lock_release+0x4bf/0x680 [ 89.035247][ T5043] ? finish_task_switch.isra.0+0x211/0xc90 [ 89.041087][ T5043] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 89.047101][ T5043] ? finish_task_switch.isra.0+0x216/0xc90 [ 89.052938][ T5043] shmem_evict_inode+0x392/0xb50 [ 89.057915][ T5043] ? lock_acquire+0x464/0x510 [ 89.062624][ T5043] ? shmem_truncate_range+0x80/0x80 [ 89.067853][ T5043] ? lock_release+0x4bf/0x680 [ 89.072561][ T5043] ? evict+0x2b7/0x6b0 [ 89.076663][ T5043] ? reacquire_held_locks+0x4b0/0x4b0 [ 89.082073][ T5043] ? sugov_init+0x840/0x840 [ 89.086624][ T5043] ? spin_bug+0x1d0/0x1d0 [ 89.090991][ T5043] ? shmem_truncate_range+0x80/0x80 [ 89.096257][ T5043] evict+0x2ed/0x6b0 [ 89.100282][ T5043] iput.part.0+0x55e/0x7a0 [ 89.104734][ T5043] ? __remove_inode_hash+0x130/0x130 [ 89.110071][ T5043] iput+0x5c/0x80 [ 89.113743][ T5043] dentry_unlink_inode+0x292/0x430 [ 89.118884][ T5043] __dentry_kill+0x3b8/0x640 [ 89.123504][ T5043] ? dput+0x39/0xfd0 [ 89.127433][ T5043] ? dput+0x39/0xfd0 [ 89.131352][ T5043] dput+0x8dd/0xfd0 [ 89.135193][ T5043] __fput+0x536/0xa70 [ 89.139227][ T5043] __fput_sync+0x47/0x50 [ 89.143498][ T5043] __x64_sys_close+0x87/0xf0 [ 89.148120][ T5043] do_syscall_64+0x38/0xb0 [ 89.152571][ T5043] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 89.158501][ T5043] RIP: 0033:0x7f6700c6aa90 [ 89.162934][ T5043] Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d f1 85 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c [ 89.182562][ T5043] RSP: 002b:00007ffd27935ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 89.191001][ T5043] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6700c6aa90 [ 89.198991][ T5043] RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000000000003 [ 89.206989][ T5043] RBP: 00007ffd27935cc0 R08: 0000000000000005 R09: 0000000000000000 [ 89.214979][ T5043] R10: 0000000000028011 R11: 0000000000000202 R12: 00007f6700cde5f0 [ 89.222970][ T5043] R13: 00007ffd27935ea8 R14: 0000000000000001 R15: 0000000000000001 [ 89.230969][ T5043] [ 89.234003][ T5043] Modules linked in: [ 89.237917][ T5043] ---[ end trace 0000000000000000 ]--- [ 89.243381][ T5043] RIP: 0010:filemap_unaccount_folio+0x62e/0x870 [ 89.249652][ T5043] Code: 0f 85 68 01 00 00 8b 6b 5c 31 ff 89 ee e8 6a 3e d2 ff 85 ed 7e 16 e8 f1 42 d2 ff 48 c7 c6 c0 3b 97 8a 48 89 df e8 a2 58 10 00 <0f> 0b e8 db 42 d2 ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 0a 0d [ 89.269286][ T5043] RSP: 0018:ffffc900039ef828 EFLAGS: 00010093 [ 89.275370][ T5043] RAX: 0000000000000000 RBX: ffffea0001cfe400 RCX: 0000000000000000 [ 89.283366][ T5043] RDX: ffff88807e171dc0 RSI: ffffffff81b559ae RDI: 0000000000000000 [ 89.291355][ T5043] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1d9be7a [ 89.299342][ T5043] R10: ffffffff8ecdf3d7 R11: 0000000000000001 R12: ffff8880258003b8 [ 89.307329][ T5043] R13: ffffea0001cfe400 R14: ffffea0001cfe418 R15: ffffea0001cfe420 [ 89.315317][ T5043] FS: 0000555556b42380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 89.324269][ T5043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.330874][ T5043] CR2: 00000000005fdeb8 CR3: 000000007a443000 CR4: 00000000003506f0 [ 89.338863][ T5043] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.346850][ T5043] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.354855][ T5043] Kernel panic - not syncing: Fatal exception [ 89.361051][ T5043] Kernel Offset: disabled [ 89.365386][ T5043] Rebooting in 86400 seconds..