./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor208380535 <...> Warning: Permanently added '10.128.1.1' (ED25519) to the list of known hosts. execve("./syz-executor208380535", ["./syz-executor208380535"], 0x7ffe6bdd0810 /* 10 vars */) = 0 brk(NULL) = 0x55555565c000 brk(0x55555565cd00) = 0x55555565cd00 arch_prctl(ARCH_SET_FS, 0x55555565c380) = 0 set_tid_address(0x55555565c650) = 5065 set_robust_list(0x55555565c660, 24) = 0 rseq(0x55555565cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor208380535", 4096) = 27 getrandom("\xba\x73\x26\x09\x7d\x24\x88\xcd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555565cd00 brk(0x55555567dd00) = 0x55555567dd00 brk(0x55555567e000) = 0x55555567e000 mprotect(0x7f080b070000, 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 5066 attached [pid 5066] set_robust_list(0x55555565c660, 24 [pid 5065] <... clone resumed>, child_tidptr=0x55555565c650) = 5066 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5066] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setsid() = 1 [pid 5066] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5066] unshare(CLONE_NEWNS) = 0 [pid 5066] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5066] unshare(CLONE_NEWIPC) = 0 [pid 5066] unshare(CLONE_NEWCGROUP) = 0 [pid 5066] unshare(CLONE_NEWUTS) = 0 [pid 5066] unshare(CLONE_SYSVSEM) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "16777216", 8) = 8 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "536870912", 9) = 9 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "8192", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5066] close(3) = 0 [pid 5066] getpid() = 1 [pid 5066] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 88 b7 d1 ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 07 47 [ 68.448008][ T5066] RSP: 0018:ffffc900039cf840 EFLAGS: 00010093 [ 68.454100][ T5066] RAX: 0000000000000000 RBX: ffffea00004b2c80 RCX: ffffc900039cf6a0 [ 68.462061][ T5066] RDX: ffff8880187fd940 RSI: ffffffff81b5d960 RDI: ffffffff8b2f0d80 [ 68.470016][ T5066] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e326c2 [ 68.477967][ T5066] R10: ffffffff8f193617 R11: 0000000000000001 R12: ffff888078b21de8 [ 68.485934][ T5066] R13: 0000000000000001 R14: 0000000000000000 R15: ffffea00004b2c98 [ 68.493923][ T5066] FS: 000055555565c380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 68.502846][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.509419][ T5066] CR2: 00000000005fdeb8 CR3: 000000007491a000 CR4: 0000000000350ef0 [ 68.517465][ T5066] Call Trace: [ 68.520740][ T5066] [ 68.523689][ T5066] ? show_regs+0x8f/0xa0 [ 68.528012][ T5066] ? die+0x36/0xa0 [ 68.531734][ T5066] ? do_trap+0x22b/0x420 [ 68.536057][ T5066] ? filemap_unaccount_folio+0x631/0x880 [ 68.541693][ T5066] ? filemap_unaccount_folio+0x631/0x880 [ 68.547310][ T5066] ? do_error_trap+0xf4/0x230 [ 68.551985][ T5066] ? filemap_unaccount_folio+0x631/0x880 [ 68.557600][ T5066] ? handle_invalid_op+0x34/0x40 [ 68.562531][ T5066] ? filemap_unaccount_folio+0x631/0x880 [ 68.568179][ T5066] ? exc_invalid_op+0x2e/0x40 [ 68.572855][ T5066] ? asm_exc_invalid_op+0x1a/0x20 [ 68.577875][ T5066] ? filemap_unaccount_folio+0x630/0x880 [ 68.583600][ T5066] ? filemap_unaccount_folio+0x631/0x880 [ 68.589232][ T5066] __filemap_remove_folio+0x10d/0x740 [ 68.594627][ T5066] ? lock_sync+0x190/0x190 [ 68.599053][ T5066] ? filemap_map_pages+0x1250/0x1250 [ 68.604336][ T5066] ? do_raw_spin_lock+0x12e/0x2b0 [ 68.609354][ T5066] ? spin_bug+0x1d0/0x1d0 [ 68.613672][ T5066] filemap_remove_folio+0xca/0x210 [ 68.618778][ T5066] truncate_inode_folio+0x49/0x70 [ 68.623789][ T5066] shmem_undo_range+0x35d/0x1030 [ 68.628721][ T5066] ? shmem_get_partial_folio+0x330/0x330 [ 68.634344][ T5066] ? print_usage_bug.part.0+0x550/0x550 [ 68.639887][ T5066] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 68.645858][ T5066] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 68.651881][ T5066] shmem_evict_inode+0x39f/0xba0 [ 68.656806][ T5066] ? find_held_lock+0x2d/0x110 [ 68.663299][ T5066] ? shmem_truncate_range+0xc0/0xc0 [ 68.668487][ T5066] ? evict+0x2b7/0x6b0 [ 68.672549][ T5066] ? reacquire_held_locks+0x4c0/0x4c0 [ 68.677909][ T5066] ? update_triggers+0x580/0x580 [ 68.682838][ T5066] ? spin_bug+0x1d0/0x1d0 [ 68.687151][ T5066] ? shmem_truncate_range+0xc0/0xc0 [ 68.692332][ T5066] evict+0x2ed/0x6b0 [ 68.696250][ T5066] iput.part.0+0x560/0x7b0 [ 68.700658][ T5066] ? __remove_inode_hash+0x130/0x130 [ 68.705929][ T5066] iput+0x5c/0x80 [ 68.709553][ T5066] dentry_unlink_inode+0x292/0x430 [ 68.714653][ T5066] __dentry_kill+0x3b8/0x640 [ 68.719228][ T5066] dput+0x7eb/0xd90 [ 68.723020][ T5066] __fput+0x3b9/0xbb0 [ 68.727002][ T5066] __fput_sync+0x47/0x50 [ 68.731230][ T5066] __x64_sys_close+0x87/0xf0 [ 68.735806][ T5066] do_syscall_64+0x40/0x110 [ 68.740295][ T5066] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 68.746174][ T5066] RIP: 0033:0x7f080affcad0 [ 68.750570][ T5066] 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 d1 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 [ 68.770166][ T5066] RSP: 002b:00007ffde799fbd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 68.778564][ T5066] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f080affcad0 [ 68.786522][ T5066] RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000000000004 [ 68.794476][ T5066] RBP: 00007ffde799fbf0 R08: 0000000000000006 R09: 0000000000000000 [ 68.802429][ T5066] R10: 0000000000028011 R11: 0000000000000202 R12: 00007f080b0705f0 [ 68.810385][ T5066] R13: 00007ffde799fdd8 R14: 0000000000000001 R15: 0000000000000001 [ 68.818362][ T5066] [ 68.821374][ T5066] Modules linked in: [ 68.825246][ T5066] ---[ end trace 0000000000000000 ]--- [ 68.830676][ T5066] RIP: 0010:filemap_unaccount_folio+0x631/0x880 [ 68.836902][ T5066] Code: 85 6b 01 00 00 8b 6b 5c 31 ff 89 ee e8 18 b3 d1 ff 85 ed 7e 17 e8 9f b7 d1 ff 48 c7 c6 c0 55 d7 8a 48 89 df e8 80 6a 10 00 90 <0f> 0b e8 88 b7 d1 ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 07 47 [ 68.856529][ T5066] RSP: 0018:ffffc900039cf840 EFLAGS: 00010093 [ 68.862612][ T5066] RAX: 0000000000000000 RBX: ffffea00004b2c80 RCX: ffffc900039cf6a0 [ 68.870571][ T5066] RDX: ffff8880187fd940 RSI: ffffffff81b5d960 RDI: ffffffff8b2f0d80 [ 68.878527][ T5066] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e326c2 [ 68.886479][ T5066] R10: ffffffff8f193617 R11: 0000000000000001 R12: ffff888078b21de8 [ 68.894437][ T5066] R13: 0000000000000001 R14: 0000000000000000 R15: ffffea00004b2c98 [ 68.902405][ T5066] FS: 000055555565c380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 68.911321][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.917888][ T5066] CR2: 00000000005fdeb8 CR3: 000000007491a000 CR4: 0000000000350ef0 [ 68.925857][ T5066] Kernel panic - not syncing: Fatal exception [ 68.932170][ T5066] Kernel Offset: disabled [ 68.936518][ T5066] Rebooting in 86400 seconds..