./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor24449571 <...> Warning: Permanently added '10.128.0.167' (ED25519) to the list of known hosts. execve("./syz-executor24449571", ["./syz-executor24449571"], 0x7ffe046c3fe0 /* 10 vars */) = 0 brk(NULL) = 0x55555639e000 brk(0x55555639ed00) = 0x55555639ed00 arch_prctl(ARCH_SET_FS, 0x55555639e380) = 0 set_tid_address(0x55555639e650) = 5073 set_robust_list(0x55555639e660, 24) = 0 rseq(0x55555639eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor24449571", 4096) = 26 getrandom("\xd4\x8d\x80\xce\x59\x00\x1a\x17", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555639ed00 brk(0x5555563bfd00) = 0x5555563bfd00 brk(0x5555563c0000) = 0x5555563c0000 mprotect(0x7ff8e93ba000, 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=0x55555639e650) = 5074 ./strace-static-x86_64: Process 5074 attached [pid 5074] set_robust_list(0x55555639e660, 24) = 0 [pid 5074] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setsid() = 1 [pid 5074] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5074] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5074] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5074] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5074] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5074] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5074] unshare(CLONE_NEWNS) = 0 [pid 5074] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5074] unshare(CLONE_NEWIPC) = 0 [pid 5074] unshare(CLONE_NEWCGROUP) = 0 [pid 5074] unshare(CLONE_NEWUTS) = 0 [pid 5074] unshare(CLONE_SYSVSEM) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "16777216", 8) = 8 [pid 5074] close(3) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "536870912", 9) = 9 [pid 5074] close(3) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1024", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "8192", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1024", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1024", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5074] close(3) = 0 [pid 5074] getpid() = 1 [pid 5074] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 08 ad cf ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 f7 36 [ 95.621530][ T5074] RSP: 0018:ffffc90002d47848 EFLAGS: 00010093 [ 95.627603][ T5074] RAX: 0000000000000000 RBX: ffffea0001d8d780 RCX: ffffc90002d476a8 [ 95.635576][ T5074] RDX: ffff8880285e5a00 RSI: ffffffff81bc9260 RDI: ffffffff8b4ec1c0 [ 95.643554][ T5074] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1ef4432 [ 95.651527][ T5074] R10: ffffffff8f7a2197 R11: 0000000000000001 R12: ffff888023de8a38 [ 95.659529][ T5074] R13: 0000000000000001 R14: 000000000003c0cc R15: ffffea0001d8d798 [ 95.667542][ T5074] FS: 000055555639e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 95.676498][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.683106][ T5074] CR2: 00000000005fdeb8 CR3: 0000000016f66000 CR4: 00000000003506f0 [ 95.691104][ T5074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.699158][ T5074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.707127][ T5074] Call Trace: [ 95.710399][ T5074] [ 95.713344][ T5074] ? show_regs+0x8e/0xa0 [ 95.717616][ T5074] ? die+0x36/0xa0 [ 95.721341][ T5074] ? do_trap+0x22a/0x420 [ 95.725673][ T5074] ? filemap_unaccount_folio+0x631/0x880 [ 95.731313][ T5074] ? filemap_unaccount_folio+0x631/0x880 [ 95.736951][ T5074] ? do_error_trap+0xf4/0x230 [ 95.741634][ T5074] ? filemap_unaccount_folio+0x631/0x880 [ 95.747301][ T5074] ? handle_invalid_op+0x34/0x40 [ 95.752242][ T5074] ? filemap_unaccount_folio+0x631/0x880 [ 95.757896][ T5074] ? exc_invalid_op+0x2e/0x50 [ 95.762603][ T5074] ? asm_exc_invalid_op+0x1a/0x20 [ 95.767633][ T5074] ? filemap_unaccount_folio+0x630/0x880 [ 95.773276][ T5074] ? filemap_unaccount_folio+0x631/0x880 [ 95.778939][ T5074] ? filemap_unaccount_folio+0x630/0x880 [ 95.784586][ T5074] __filemap_remove_folio+0x115/0x750 [ 95.789987][ T5074] ? __pfx_lock_acquire+0x10/0x10 [ 95.795029][ T5074] ? __pfx___filemap_remove_folio+0x10/0x10 [ 95.801044][ T5074] ? do_raw_spin_lock+0x12d/0x2c0 [ 95.806081][ T5074] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 95.811467][ T5074] filemap_remove_folio+0xca/0x210 [ 95.816603][ T5074] truncate_inode_folio+0x49/0x70 [ 95.821672][ T5074] shmem_undo_range+0x35d/0x1140 [ 95.826641][ T5074] ? __pfx_shmem_undo_range+0x10/0x10 [ 95.832039][ T5074] ? __pfx_mark_lock+0x10/0x10 [ 95.836836][ T5074] ? __pfx___lock_acquire+0x10/0x10 [ 95.842058][ T5074] ? __pfx___lock_acquire+0x10/0x10 [ 95.847289][ T5074] shmem_evict_inode+0x3a3/0xbb0 [ 95.852233][ T5074] ? find_held_lock+0x2d/0x110 [ 95.857001][ T5074] ? __pfx_shmem_evict_inode+0x10/0x10 [ 95.862471][ T5074] ? evict+0x2b7/0x6c0 [ 95.866566][ T5074] ? __pfx_lock_release+0x10/0x10 [ 95.871605][ T5074] ? __pfx_wake_bit_function+0x10/0x10 [ 95.877086][ T5074] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 95.882472][ T5074] ? __pfx_shmem_evict_inode+0x10/0x10 [ 95.887939][ T5074] evict+0x2ed/0x6c0 [ 95.891848][ T5074] iput.part.0+0x573/0x7c0 [ 95.896272][ T5074] ? __pfx_generic_delete_inode+0x10/0x10 [ 95.902011][ T5074] iput+0x5c/0x80 [ 95.905655][ T5074] dentry_unlink_inode+0x295/0x440 [ 95.910791][ T5074] __dentry_kill+0x1d0/0x600 [ 95.915391][ T5074] dput.part.0+0x4b1/0x9b0 [ 95.919960][ T5074] dput+0x1f/0x30 [ 95.923610][ T5074] __fput+0x3bc/0xb80 [ 95.927611][ T5074] __fput_sync+0x47/0x50 [ 95.931891][ T5074] __x64_sys_close+0x86/0x100 [ 95.936596][ T5074] do_syscall_64+0xd2/0x260 [ 95.941148][ T5074] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.947048][ T5074] RIP: 0033:0x7ff8e9346a90 [ 95.951485][ T5074] 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 [ 95.971111][ T5074] RSP: 002b:00007fffd3cc6cc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 95.979530][ T5074] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff8e9346a90 [ 95.987504][ T5074] RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000000000003 [ 95.995562][ T5074] RBP: 00007fffd3cc6ce0 R08: 0000000000000005 R09: 0000000000000000 [ 96.003679][ T5074] R10: 0000000000028011 R11: 0000000000000202 R12: 00007ff8e93ba5f0 [ 96.011667][ T5074] R13: 00007fffd3cc6ec8 R14: 0000000000000001 R15: 0000000000000001 [ 96.019654][ T5074] [ 96.022671][ T5074] Modules linked in: [ 96.026566][ T5074] ---[ end trace 0000000000000000 ]--- [ 96.032047][ T5074] RIP: 0010:filemap_unaccount_folio+0x631/0x880 [ 96.038306][ T5074] Code: 85 6b 01 00 00 8b 6b 5c 31 ff 89 ee e8 08 a8 cf ff 85 ed 7e 17 e8 1f ad cf ff 48 c7 c6 20 80 f7 8a 48 89 df e8 d0 eb 10 00 90 <0f> 0b e8 08 ad cf ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 f7 36 [ 96.057926][ T5074] RSP: 0018:ffffc90002d47848 EFLAGS: 00010093 [ 96.064000][ T5074] RAX: 0000000000000000 RBX: ffffea0001d8d780 RCX: ffffc90002d476a8 [ 96.071974][ T5074] RDX: ffff8880285e5a00 RSI: ffffffff81bc9260 RDI: ffffffff8b4ec1c0 [ 96.079948][ T5074] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1ef4432 [ 96.087919][ T5074] R10: ffffffff8f7a2197 R11: 0000000000000001 R12: ffff888023de8a38 [ 96.095977][ T5074] R13: 0000000000000001 R14: 000000000003c0cc R15: ffffea0001d8d798 [ 96.103955][ T5074] FS: 000055555639e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 96.112978][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.119567][ T5074] CR2: 00000000005fdeb8 CR3: 0000000016f66000 CR4: 00000000003506f0 [ 96.127543][ T5074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.135551][ T5074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.143528][ T5074] Kernel panic - not syncing: Fatal exception [ 96.149909][ T5074] Kernel Offset: disabled [ 96.154235][ T5074] Rebooting in 86400 seconds..