./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2789074122 <...> Warning: Permanently added '10.128.1.105' (ED25519) to the list of known hosts. execve("./syz-executor2789074122", ["./syz-executor2789074122"], 0x7ffeb8baf470 /* 10 vars */) = 0 brk(NULL) = 0x55555714a000 brk(0x55555714ad00) = 0x55555714ad00 arch_prctl(ARCH_SET_FS, 0x55555714a380) = 0 set_tid_address(0x55555714a650) = 5064 set_robust_list(0x55555714a660, 24) = 0 rseq(0x55555714aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2789074122", 4096) = 28 getrandom("\x19\x3e\x0d\xb8\x2b\x3f\x46\x92", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555714ad00 brk(0x55555716bd00) = 0x55555716bd00 brk(0x55555716c000) = 0x55555716c000 mprotect(0x7f1bff403000, 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 5065 attached , child_tidptr=0x55555714a650) = 5065 [pid 5065] set_robust_list(0x55555714a660, 24) = 0 [pid 5065] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5065] setsid() = 1 [pid 5065] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5065] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5065] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5065] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5065] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5065] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5065] unshare(CLONE_NEWNS) = 0 [pid 5065] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5065] unshare(CLONE_NEWIPC) = 0 [pid 5065] unshare(CLONE_NEWCGROUP) = 0 [pid 5065] unshare(CLONE_NEWUTS) = 0 [pid 5065] unshare(CLONE_SYSVSEM) = 0 [pid 5065] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "16777216", 8) = 8 [pid 5065] close(3) = 0 [pid 5065] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "536870912", 9) = 9 [pid 5065] close(3) = 0 [pid 5065] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "1024", 4) = 4 [pid 5065] close(3) = 0 [pid 5065] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "8192", 4) = 4 [pid 5065] close(3) = 0 [pid 5065] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "1024", 4) = 4 [pid 5065] close(3) = 0 [pid 5065] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "1024", 4) = 4 [pid 5065] close(3) = 0 [pid 5065] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5065] close(3) = 0 [pid 5065] getpid() = 1 [pid 5065] 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 [ 53.654323][ T5065] RSP: 0018:ffffc90004287840 EFLAGS: 00010093 [ 53.660383][ T5065] RAX: 0000000000000000 RBX: ffffea0001e2c1c0 RCX: ffffc900042876a0 [ 53.668346][ T5065] RDX: ffff88807ec69dc0 RSI: ffffffff81b5d9f0 RDI: ffffffff8b2f0e40 [ 53.676340][ T5065] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e326aa [ 53.684493][ T5065] R10: ffffffff8f193557 R11: 0000000000000001 R12: ffff8880295a3198 [ 53.692462][ T5065] R13: 0000000000000001 R14: 0000000000000000 R15: ffffea0001e2c1d8 [ 53.700523][ T5065] FS: 000055555714a380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 53.709451][ T5065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.716031][ T5065] CR2: 00007f1bff4070d0 CR3: 0000000078e4f000 CR4: 0000000000350ef0 [ 53.723993][ T5065] Call Trace: [ 53.727632][ T5065] [ 53.730553][ T5065] ? show_regs+0x8f/0xa0 [ 53.734800][ T5065] ? die+0x36/0xa0 [ 53.738551][ T5065] ? do_trap+0x22b/0x420 [ 53.742914][ T5065] ? filemap_unaccount_folio+0x631/0x880 [ 53.748547][ T5065] ? filemap_unaccount_folio+0x631/0x880 [ 53.754178][ T5065] ? do_error_trap+0xf4/0x230 [ 53.758864][ T5065] ? filemap_unaccount_folio+0x631/0x880 [ 53.764492][ T5065] ? handle_invalid_op+0x34/0x40 [ 53.769425][ T5065] ? filemap_unaccount_folio+0x631/0x880 [ 53.775047][ T5065] ? exc_invalid_op+0x2e/0x40 [ 53.779753][ T5065] ? asm_exc_invalid_op+0x1a/0x20 [ 53.784884][ T5065] ? filemap_unaccount_folio+0x630/0x880 [ 53.790514][ T5065] ? filemap_unaccount_folio+0x631/0x880 [ 53.796142][ T5065] __filemap_remove_folio+0x10d/0x740 [ 53.801517][ T5065] ? lock_sync+0x190/0x190 [ 53.805939][ T5065] ? filemap_map_pages+0x1250/0x1250 [ 53.811222][ T5065] ? do_raw_spin_lock+0x12e/0x2b0 [ 53.816241][ T5065] ? spin_bug+0x1d0/0x1d0 [ 53.820562][ T5065] filemap_remove_folio+0xca/0x210 [ 53.825665][ T5065] truncate_inode_folio+0x49/0x70 [ 53.830682][ T5065] shmem_undo_range+0x35d/0x1030 [ 53.835622][ T5065] ? shmem_get_partial_folio+0x330/0x330 [ 53.841252][ T5065] ? print_usage_bug.part.0+0x550/0x550 [ 53.846812][ T5065] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 53.852825][ T5065] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 53.858835][ T5065] shmem_evict_inode+0x39f/0xba0 [ 53.863855][ T5065] ? find_held_lock+0x2d/0x110 [ 53.868617][ T5065] ? shmem_truncate_range+0xc0/0xc0 [ 53.873808][ T5065] ? evict+0x2b7/0x6b0 [ 53.877870][ T5065] ? reacquire_held_locks+0x4c0/0x4c0 [ 53.883267][ T5065] ? update_triggers+0x580/0x580 [ 53.888206][ T5065] ? spin_bug+0x1d0/0x1d0 [ 53.892529][ T5065] ? shmem_truncate_range+0xc0/0xc0 [ 53.897720][ T5065] evict+0x2ed/0x6b0 [ 53.901611][ T5065] iput.part.0+0x560/0x7b0 [ 53.906025][ T5065] ? __remove_inode_hash+0x130/0x130 [ 53.911303][ T5065] iput+0x5c/0x80 [ 53.914929][ T5065] dentry_unlink_inode+0x292/0x430 [ 53.920033][ T5065] __dentry_kill+0x3b8/0x640 [ 53.924620][ T5065] dput+0x7eb/0xd90 [ 53.928423][ T5065] __fput+0x3b9/0xbb0 [ 53.932404][ T5065] __fput_sync+0x47/0x50 [ 53.936643][ T5065] __x64_sys_close+0x87/0xf0 [ 53.941232][ T5065] do_syscall_64+0x40/0x110 [ 53.945731][ T5065] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 53.951632][ T5065] RIP: 0033:0x7f1bff38fa90 [ 53.956039][ T5065] 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 [ 53.975642][ T5065] RSP: 002b:00007fff91c967a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 53.984049][ T5065] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1bff38fa90 [ 53.992011][ T5065] RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000000000003 [ 53.999970][ T5065] RBP: 00007fff91c967c0 R08: 0000000000000005 R09: 0000000000000000 [ 54.007928][ T5065] R10: 0000000000028011 R11: 0000000000000202 R12: 00007f1bff4035f0 [ 54.015890][ T5065] R13: 00007fff91c969a8 R14: 0000000000000001 R15: 0000000000000001 [ 54.023940][ T5065] [ 54.026943][ T5065] Modules linked in: [ 54.030826][ T5065] ---[ end trace 0000000000000000 ]--- [ 54.036263][ T5065] RIP: 0010:filemap_unaccount_folio+0x631/0x880 [ 54.042495][ T5065] 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 c0 56 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 [ 54.062100][ T5065] RSP: 0018:ffffc90004287840 EFLAGS: 00010093 [ 54.068156][ T5065] RAX: 0000000000000000 RBX: ffffea0001e2c1c0 RCX: ffffc900042876a0 [ 54.076125][ T5065] RDX: ffff88807ec69dc0 RSI: ffffffff81b5d9f0 RDI: ffffffff8b2f0e40 [ 54.084087][ T5065] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e326aa [ 54.092047][ T5065] R10: ffffffff8f193557 R11: 0000000000000001 R12: ffff8880295a3198 [ 54.100026][ T5065] R13: 0000000000000001 R14: 0000000000000000 R15: ffffea0001e2c1d8 [ 54.108008][ T5065] FS: 000055555714a380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 54.116931][ T5065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.123504][ T5065] CR2: 00007f1bff4070d0 CR3: 0000000078e4f000 CR4: 0000000000350ef0 [ 54.131471][ T5065] Kernel panic - not syncing: Fatal exception [ 54.137899][ T5065] Kernel Offset: disabled [ 54.142233][ T5065] Rebooting in 86400 seconds..