./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1286068621 <...> Warning: Permanently added '10.128.0.203' (ED25519) to the list of known hosts. execve("./syz-executor1286068621", ["./syz-executor1286068621"], 0x7ffedbbee4f0 /* 10 vars */) = 0 brk(NULL) = 0x5555571ac000 brk(0x5555571acd00) = 0x5555571acd00 arch_prctl(ARCH_SET_FS, 0x5555571ac380) = 0 set_tid_address(0x5555571ac650) = 5066 set_robust_list(0x5555571ac660, 24) = 0 rseq(0x5555571acca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1286068621", 4096) = 28 getrandom("\xda\x6c\x36\x0c\xcd\x17\xc6\x87", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555571acd00 brk(0x5555571cdd00) = 0x5555571cdd00 brk(0x5555571ce000) = 0x5555571ce000 mprotect(0x7f8d8a0a3000, 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 5067 attached [pid 5067] set_robust_list(0x5555571ac660, 24 [pid 5066] <... clone resumed>, child_tidptr=0x5555571ac650) = 5067 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5067] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setsid() = 1 [pid 5067] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5067] unshare(CLONE_NEWNS) = 0 [pid 5067] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5067] unshare(CLONE_NEWIPC) = 0 [pid 5067] unshare(CLONE_NEWCGROUP) = 0 [pid 5067] unshare(CLONE_NEWUTS) = 0 [pid 5067] unshare(CLONE_SYSVSEM) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "16777216", 8) = 8 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "536870912", 9) = 9 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "8192", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5067] close(3) = 0 [pid 5067] getpid() = 1 [pid 5067] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 98 99 d1 ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 77 46 [ 54.025051][ T5067] RSP: 0018:ffffc900039af840 EFLAGS: 00010093 [ 54.031089][ T5067] RAX: 0000000000000000 RBX: ffffea0002e61f00 RCX: ffffc900039af6a0 [ 54.039035][ T5067] RDX: ffff888074585940 RSI: ffffffff81b5f0a0 RDI: ffffffff8b2f0d60 [ 54.046983][ T5067] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e32772 [ 54.055188][ T5067] R10: ffffffff8f193b97 R11: 0000000000000001 R12: ffff888028af3198 [ 54.063134][ T5067] R13: 0000000000000001 R14: 0000000000000000 R15: ffffea0002e61f18 [ 54.071087][ T5067] FS: 00005555571ac380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 54.079991][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.086552][ T5067] CR2: 00007f8d8a0a70d0 CR3: 00000000270b5000 CR4: 0000000000350ef0 [ 54.094508][ T5067] Call Trace: [ 54.097763][ T5067] [ 54.100672][ T5067] ? show_regs+0x8f/0xa0 [ 54.104898][ T5067] ? die+0x36/0xa0 [ 54.108605][ T5067] ? do_trap+0x22b/0x420 [ 54.112834][ T5067] ? filemap_unaccount_folio+0x631/0x880 [ 54.118442][ T5067] ? filemap_unaccount_folio+0x631/0x880 [ 54.124051][ T5067] ? do_error_trap+0xf4/0x230 [ 54.128709][ T5067] ? filemap_unaccount_folio+0x631/0x880 [ 54.134318][ T5067] ? handle_invalid_op+0x34/0x40 [ 54.139231][ T5067] ? filemap_unaccount_folio+0x631/0x880 [ 54.144838][ T5067] ? exc_invalid_op+0x2e/0x40 [ 54.149491][ T5067] ? asm_exc_invalid_op+0x1a/0x20 [ 54.154494][ T5067] ? filemap_unaccount_folio+0x630/0x880 [ 54.160109][ T5067] ? filemap_unaccount_folio+0x631/0x880 [ 54.165723][ T5067] __filemap_remove_folio+0x10d/0x740 [ 54.171071][ T5067] ? lock_sync+0x190/0x190 [ 54.175468][ T5067] ? filemap_map_pages+0x1250/0x1250 [ 54.180734][ T5067] ? do_raw_spin_lock+0x12e/0x2b0 [ 54.185740][ T5067] ? spin_bug+0x1d0/0x1d0 [ 54.190045][ T5067] filemap_remove_folio+0xca/0x210 [ 54.195136][ T5067] truncate_inode_folio+0x49/0x70 [ 54.200138][ T5067] shmem_undo_range+0x35d/0x1030 [ 54.205058][ T5067] ? shmem_get_partial_folio+0x330/0x330 [ 54.210668][ T5067] ? print_usage_bug.part.0+0x550/0x550 [ 54.216196][ T5067] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 54.222153][ T5067] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 54.228116][ T5067] shmem_evict_inode+0x39f/0xba0 [ 54.233032][ T5067] ? find_held_lock+0x2d/0x110 [ 54.237773][ T5067] ? shmem_truncate_range+0xc0/0xc0 [ 54.242947][ T5067] ? evict+0x2b7/0x6b0 [ 54.246997][ T5067] ? reacquire_held_locks+0x4c0/0x4c0 [ 54.252351][ T5067] ? update_triggers+0x580/0x580 [ 54.257271][ T5067] ? spin_bug+0x1d0/0x1d0 [ 54.261578][ T5067] ? shmem_truncate_range+0xc0/0xc0 [ 54.266754][ T5067] evict+0x2ed/0x6b0 [ 54.270632][ T5067] iput.part.0+0x560/0x7b0 [ 54.275025][ T5067] ? __remove_inode_hash+0x130/0x130 [ 54.280285][ T5067] iput+0x5c/0x80 [ 54.283901][ T5067] dentry_unlink_inode+0x292/0x430 [ 54.289004][ T5067] __dentry_kill+0x3b8/0x640 [ 54.293573][ T5067] dput+0x7eb/0xd90 [ 54.297367][ T5067] __fput+0x3b9/0xbb0 [ 54.301324][ T5067] __fput_sync+0x47/0x50 [ 54.305545][ T5067] __x64_sys_close+0x87/0xf0 [ 54.310116][ T5067] do_syscall_64+0x40/0x110 [ 54.314600][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 54.320473][ T5067] RIP: 0033:0x7f8d8a02fa90 [ 54.324879][ T5067] 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 [ 54.344463][ T5067] RSP: 002b:00007ffc74e7f3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 54.352851][ T5067] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8d8a02fa90 [ 54.360840][ T5067] RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000000000003 [ 54.368808][ T5067] RBP: 00007ffc74e7f3e0 R08: 0000000000000005 R09: 0000000000000000 [ 54.376754][ T5067] R10: 0000000000028011 R11: 0000000000000202 R12: 00007f8d8a0a35f0 [ 54.384734][ T5067] R13: 00007ffc74e7f5c8 R14: 0000000000000001 R15: 0000000000000001 [ 54.392700][ T5067] [ 54.395701][ T5067] Modules linked in: [ 54.399574][ T5067] ---[ end trace 0000000000000000 ]--- [ 54.405007][ T5067] RIP: 0010:filemap_unaccount_folio+0x631/0x880 [ 54.411234][ T5067] Code: 85 6b 01 00 00 8b 6b 5c 31 ff 89 ee e8 28 95 d1 ff 85 ed 7e 17 e8 af 99 d1 ff 48 c7 c6 40 56 d7 8a 48 89 df e8 30 6a 10 00 90 <0f> 0b e8 98 99 d1 ff 48 8d 6b 58 be 04 00 00 00 48 89 ef e8 77 46 [ 54.430821][ T5067] RSP: 0018:ffffc900039af840 EFLAGS: 00010093 [ 54.436864][ T5067] RAX: 0000000000000000 RBX: ffffea0002e61f00 RCX: ffffc900039af6a0 [ 54.444813][ T5067] RDX: ffff888074585940 RSI: ffffffff81b5f0a0 RDI: ffffffff8b2f0d60 [ 54.452760][ T5067] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e32772 [ 54.460711][ T5067] R10: ffffffff8f193b97 R11: 0000000000000001 R12: ffff888028af3198 [ 54.468659][ T5067] R13: 0000000000000001 R14: 0000000000000000 R15: ffffea0002e61f18 [ 54.476611][ T5067] FS: 00005555571ac380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 54.485519][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.492077][ T5067] CR2: 00007f8d8a0a70d0 CR3: 00000000270b5000 CR4: 0000000000350ef0 [ 54.500027][ T5067] Kernel panic - not syncing: Fatal exception [ 54.506204][ T5067] Kernel Offset: disabled [ 54.510505][ T5067] Rebooting in 86400 seconds..