./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4048778969 <...> Warning: Permanently added '10.128.10.15' (ED25519) to the list of known hosts. execve("./syz-executor4048778969", ["./syz-executor4048778969"], 0x7ffcdd1dd7f0 /* 10 vars */) = 0 brk(NULL) = 0x555556c5c000 brk(0x555556c5cd00) = 0x555556c5cd00 arch_prctl(ARCH_SET_FS, 0x555556c5c380) = 0 set_tid_address(0x555556c5c650) = 5070 set_robust_list(0x555556c5c660, 24) = 0 rseq(0x555556c5cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4048778969", 4096) = 28 getrandom("\x35\x0f\xb1\x71\xc7\xfc\x7e\x13", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556c5cd00 brk(0x555556c7dd00) = 0x555556c7dd00 brk(0x555556c7e000) = 0x555556c7e000 mprotect(0x7f1ba397d000, 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 5071 attached [pid 5071] set_robust_list(0x555556c5c660, 24 [pid 5070] <... clone resumed>, child_tidptr=0x555556c5c650) = 5071 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setsid() = 1 [pid 5071] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5071] unshare(CLONE_NEWNS) = 0 [pid 5071] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5071] unshare(CLONE_NEWIPC) = 0 [pid 5071] unshare(CLONE_NEWCGROUP) = 0 [pid 5071] unshare(CLONE_NEWUTS) = 0 [pid 5071] unshare(CLONE_SYSVSEM) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "16777216", 8) = 8 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "536870912", 9) = 9 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "8192", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5071] close(3) = 0 [pid 5071] getpid() = 1 [pid 5071] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 38 b0 d1 ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 c7 46 [ 54.242872][ T5071] RSP: 0018:ffffc900039a7840 EFLAGS: 00010093 [ 54.248914][ T5071] RAX: 0000000000000000 RBX: ffffea0001f3d3c0 RCX: ffffc900039a76a0 [ 54.256858][ T5071] RDX: ffff88801ebad940 RSI: ffffffff81b5d9f0 RDI: ffffffff8b2f0e80 [ 54.264800][ T5071] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e326aa [ 54.272745][ T5071] R10: ffffffff8f193557 R11: 0000000000000001 R12: ffff8880273f3828 [ 54.280704][ T5071] R13: 0000000000000001 R14: 0000000000000000 R15: ffffea0001f3d3d8 [ 54.288648][ T5071] FS: 0000555556c5c380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 54.297556][ T5071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.304117][ T5071] CR2: 00007f1ba39810e0 CR3: 0000000078de2000 CR4: 0000000000350ef0 [ 54.312062][ T5071] Call Trace: [ 54.315318][ T5071] [ 54.318237][ T5071] ? show_regs+0x8f/0xa0 [ 54.322457][ T5071] ? die+0x36/0xa0 [ 54.326158][ T5071] ? do_trap+0x22b/0x420 [ 54.330380][ T5071] ? filemap_unaccount_folio+0x631/0x880 [ 54.335991][ T5071] ? filemap_unaccount_folio+0x631/0x880 [ 54.341597][ T5071] ? do_error_trap+0xf4/0x230 [ 54.346251][ T5071] ? filemap_unaccount_folio+0x631/0x880 [ 54.351854][ T5071] ? handle_invalid_op+0x34/0x40 [ 54.356767][ T5071] ? filemap_unaccount_folio+0x631/0x880 [ 54.362368][ T5071] ? exc_invalid_op+0x2e/0x40 [ 54.367281][ T5071] ? asm_exc_invalid_op+0x1a/0x20 [ 54.372282][ T5071] ? filemap_unaccount_folio+0x630/0x880 [ 54.377885][ T5071] ? filemap_unaccount_folio+0x631/0x880 [ 54.383489][ T5071] __filemap_remove_folio+0x10d/0x740 [ 54.388843][ T5071] ? lock_sync+0x190/0x190 [ 54.393243][ T5071] ? filemap_map_pages+0x1250/0x1250 [ 54.398502][ T5071] ? do_raw_spin_lock+0x12e/0x2b0 [ 54.403499][ T5071] ? spin_bug+0x1d0/0x1d0 [ 54.407801][ T5071] filemap_remove_folio+0xca/0x210 [ 54.412891][ T5071] truncate_inode_folio+0x49/0x70 [ 54.417888][ T5071] shmem_undo_range+0x35d/0x1030 [ 54.422808][ T5071] ? shmem_get_partial_folio+0x330/0x330 [ 54.428419][ T5071] ? print_usage_bug.part.0+0x550/0x550 [ 54.433971][ T5071] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 54.439933][ T5071] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 54.445897][ T5071] shmem_evict_inode+0x39f/0xba0 [ 54.450823][ T5071] ? find_held_lock+0x2d/0x110 [ 54.455562][ T5071] ? shmem_truncate_range+0xc0/0xc0 [ 54.460735][ T5071] ? evict+0x2b7/0x6b0 [ 54.464778][ T5071] ? reacquire_held_locks+0x4c0/0x4c0 [ 54.470131][ T5071] ? update_triggers+0x580/0x580 [ 54.475047][ T5071] ? spin_bug+0x1d0/0x1d0 [ 54.479350][ T5071] ? shmem_truncate_range+0xc0/0xc0 [ 54.484521][ T5071] evict+0x2ed/0x6b0 [ 54.488392][ T5071] iput.part.0+0x560/0x7b0 [ 54.492921][ T5071] ? __remove_inode_hash+0x130/0x130 [ 54.498239][ T5071] iput+0x5c/0x80 [ 54.501863][ T5071] dentry_unlink_inode+0x292/0x430 [ 54.506951][ T5071] __dentry_kill+0x3b8/0x640 [ 54.511515][ T5071] dput+0x7eb/0xd90 [ 54.515298][ T5071] __fput+0x3b9/0xbb0 [ 54.519254][ T5071] __fput_sync+0x47/0x50 [ 54.523471][ T5071] __x64_sys_close+0x87/0xf0 [ 54.528036][ T5071] do_syscall_64+0x40/0x110 [ 54.532535][ T5071] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 54.538421][ T5071] RIP: 0033:0x7f1ba3909ad0 [ 54.542820][ T5071] 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 [ 54.562414][ T5071] RSP: 002b:00007ffd0af87d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 54.570797][ T5071] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1ba3909ad0 [ 54.578758][ T5071] RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000000000004 [ 54.586702][ T5071] RBP: 00007ffd0af87d70 R08: 0000000000000006 R09: 0000000000000000 [ 54.594647][ T5071] R10: 0000000000028011 R11: 0000000000000202 R12: 00007f1ba397d5f0 [ 54.602602][ T5071] R13: 00007ffd0af87f58 R14: 0000000000000001 R15: 0000000000000001 [ 54.610648][ T5071] [ 54.613643][ T5071] Modules linked in: [ 54.617510][ T5071] ---[ end trace 0000000000000000 ]--- [ 54.623023][ T5071] RIP: 0010:filemap_unaccount_folio+0x631/0x880 [ 54.629241][ T5071] Code: 85 6b 01 00 00 8b 6b 5c 31 ff 89 ee e8 c8 ab d1 ff 85 ed 7e 17 e8 4f b0 d1 ff 48 c7 c6 00 57 d7 8a 48 89 df e8 80 6a 10 00 90 <0f> 0b e8 38 b0 d1 ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 c7 46 [ 54.648880][ T5071] RSP: 0018:ffffc900039a7840 EFLAGS: 00010093 [ 54.654937][ T5071] RAX: 0000000000000000 RBX: ffffea0001f3d3c0 RCX: ffffc900039a76a0 [ 54.662891][ T5071] RDX: ffff88801ebad940 RSI: ffffffff81b5d9f0 RDI: ffffffff8b2f0e80 [ 54.670837][ T5071] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e326aa [ 54.678782][ T5071] R10: ffffffff8f193557 R11: 0000000000000001 R12: ffff8880273f3828 [ 54.686726][ T5071] R13: 0000000000000001 R14: 0000000000000000 R15: ffffea0001f3d3d8 [ 54.694672][ T5071] FS: 0000555556c5c380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 54.703578][ T5071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.710150][ T5071] CR2: 00007f1ba39810e0 CR3: 0000000078de2000 CR4: 0000000000350ef0 [ 54.718098][ T5071] Kernel panic - not syncing: Fatal exception [ 54.724504][ T5071] Kernel Offset: disabled [ 54.728808][ T5071] Rebooting in 86400 seconds..