./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2330658719 <...> forked to background, child pid 3180 no interfa[ 19.018864][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 ces have a carrier [ 19.029377][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. execve("./syz-executor2330658719", ["./syz-executor2330658719"], 0x7fffe6b8fdb0 /* 10 vars */) = 0 brk(NULL) = 0x555555aba000 brk(0x555555abac40) = 0x555555abac40 arch_prctl(ARCH_SET_FS, 0x555555aba300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2330658719", 4096) = 28 brk(0x555555adbc40) = 0x555555adbc40 brk(0x555555adc000) = 0x555555adc000 mprotect(0x7f038d4ed000, 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 3603 attached , child_tidptr=0x555555aba5d0) = 3603 [pid 3603] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3603] setsid() = 1 [pid 3603] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3603] unshare(CLONE_NEWNS) = 0 [pid 3603] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3603] unshare(CLONE_NEWIPC) = 0 [pid 3603] unshare(CLONE_NEWCGROUP) = 0 [pid 3603] unshare(CLONE_NEWUTS) = 0 [pid 3603] unshare(CLONE_SYSVSEM) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "16777216", 8) = 8 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "536870912", 9) = 9 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "8192", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3603] close(3) = 0 [pid 3603] getpid() = 1 [pid 3603] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 33 ff ff ff 4c 89 ff e8 eb 56 f4 fe e9 8e fd ff ff e8 e1 [ 34.956890][ T3603] RSP: 0018:ffffc90003fffac8 EFLAGS: 00010293 [ 34.962975][ T3603] RAX: 0000000000000000 RBX: ffff888072b78158 RCX: 0000000000000000 [ 34.970962][ T3603] RDX: ffff888022018000 RSI: ffffffff82d495e6 RDI: 0000000000000005 [ 34.978949][ T3603] RBP: ffff888077bbbc00 R08: 0000000000000005 R09: 0000000000000000 [ 34.987004][ T3603] R10: 0000000000000001 R11: 000000000008c07e R12: ffff88802088a000 [ 34.995016][ T3603] R13: ffff888077bbbcc0 R14: 0000000000000001 R15: ffff88802088a678 [ 35.003036][ T3603] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 35.011978][ T3603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.018538][ T3603] CR2: 0000559f3564fa10 CR3: 000000007ddb7000 CR4: 0000000000350ef0 [ 35.026525][ T3603] Call Trace: [ 35.029794][ T3603] [ 35.032736][ T3603] udf_evict_inode+0x348/0x580 [ 35.037506][ T3603] ? udf_setsize+0x1080/0x1080 [ 35.042287][ T3603] evict+0x2ed/0x6b0 [ 35.046185][ T3603] iput.part.0+0x59b/0x880 [ 35.050615][ T3603] iput+0x58/0x70 [ 35.054243][ T3603] udf_sb_free_partitions.isra.0+0x325/0x560 [ 35.060364][ T3603] ? __sync_dirty_buffer+0x1f7/0x370 [ 35.065653][ T3603] ? udf_close_lvid.isra.0+0x44c/0x550 [ 35.071144][ T3603] udf_put_super+0x133/0x220 [ 35.075735][ T3603] ? udf_close_lvid.isra.0+0x550/0x550 [ 35.081239][ T3603] generic_shutdown_super+0x154/0x410 [ 35.086627][ T3603] kill_block_super+0x97/0xf0 [ 35.091353][ T3603] deactivate_locked_super+0x94/0x160 [ 35.096761][ T3603] deactivate_super+0xad/0xd0 [ 35.101511][ T3603] cleanup_mnt+0x2ae/0x3d0 [ 35.105943][ T3603] task_work_run+0x16b/0x270 [ 35.110549][ T3603] ? task_work_cancel+0x30/0x30 [ 35.115408][ T3603] do_exit+0xb35/0x2a20 [ 35.119539][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 35.124393][ T3603] ? do_raw_spin_lock+0x120/0x2a0 [ 35.129421][ T3603] ? mm_update_next_owner+0x7b0/0x7b0 [ 35.134796][ T3603] ? rwlock_bug.part.0+0x90/0x90 [ 35.139733][ T3603] do_group_exit+0xd0/0x2a0 [ 35.144274][ T3603] __x64_sys_exit_group+0x3a/0x50 [ 35.149319][ T3603] do_syscall_64+0x35/0xb0 [ 35.153759][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 35.159662][ T3603] RIP: 0033:0x7f038d47cc79 [ 35.164100][ T3603] Code: Unable to access opcode bytes at 0x7f038d47cc4f. [ 35.171138][ T3603] RSP: 002b:00007ffe97cfa678 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.179564][ T3603] RAX: ffffffffffffffda RBX: 00007f038d4f33f0 RCX: 00007f038d47cc79 [ 35.187570][ T3603] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 35.195549][ T3603] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f038d4ede40 [ 35.203527][ T3603] R10: 0000555555aba2c0 R11: 0000000000000246 R12: 00007f038d4f33f0 [ 35.211546][ T3603] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.219501][ T3603] [ 35.222731][ T3603] Kernel panic - not syncing: panic_on_warn set ... [ 35.229311][ T3603] CPU: 0 PID: 3603 Comm: syz-executor233 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 [ 35.239712][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 35.249761][ T3603] Call Trace: [ 35.253024][ T3603] [ 35.255935][ T3603] dump_stack_lvl+0xcd/0x134 [ 35.260518][ T3603] panic+0x2c8/0x622 [ 35.264402][ T3603] ? panic_print_sys_info.part.0+0x110/0x110 [ 35.270372][ T3603] ? __warn.cold+0x24b/0x350 [ 35.274954][ T3603] ? udf_free_inode+0x2b6/0x320 [ 35.279785][ T3603] __warn.cold+0x25c/0x350 [ 35.284194][ T3603] ? udf_free_inode+0x2b6/0x320 [ 35.289027][ T3603] report_bug+0x1bc/0x210 [ 35.293346][ T3603] handle_bug+0x3c/0x70 [ 35.297489][ T3603] exc_invalid_op+0x14/0x40 [ 35.301983][ T3603] asm_exc_invalid_op+0x16/0x20 [ 35.306819][ T3603] RIP: 0010:udf_free_inode+0x2b6/0x320 [ 35.312262][ T3603] Code: 24 01 e9 72 fe ff ff e8 b8 06 a8 fe 0f 0b 48 89 df e8 ee 56 f4 fe e9 04 fe ff ff e8 f4 56 f4 fe e9 50 fe ff ff e8 9a 06 a8 fe <0f> 0b e9 33 ff ff ff 4c 89 ff e8 eb 56 f4 fe e9 8e fd ff ff e8 e1 [ 35.331860][ T3603] RSP: 0018:ffffc90003fffac8 EFLAGS: 00010293 [ 35.337910][ T3603] RAX: 0000000000000000 RBX: ffff888072b78158 RCX: 0000000000000000 [ 35.345870][ T3603] RDX: ffff888022018000 RSI: ffffffff82d495e6 RDI: 0000000000000005 [ 35.353832][ T3603] RBP: ffff888077bbbc00 R08: 0000000000000005 R09: 0000000000000000 [ 35.361788][ T3603] R10: 0000000000000001 R11: 000000000008c07e R12: ffff88802088a000 [ 35.369742][ T3603] R13: ffff888077bbbcc0 R14: 0000000000000001 R15: ffff88802088a678 [ 35.377709][ T3603] ? udf_free_inode+0x2b6/0x320 [ 35.382552][ T3603] ? udf_free_inode+0x2b6/0x320 [ 35.387387][ T3603] udf_evict_inode+0x348/0x580 [ 35.392138][ T3603] ? udf_setsize+0x1080/0x1080 [ 35.396887][ T3603] evict+0x2ed/0x6b0 [ 35.400768][ T3603] iput.part.0+0x59b/0x880 [ 35.405172][ T3603] iput+0x58/0x70 [ 35.408788][ T3603] udf_sb_free_partitions.isra.0+0x325/0x560 [ 35.414756][ T3603] ? __sync_dirty_buffer+0x1f7/0x370 [ 35.420030][ T3603] ? udf_close_lvid.isra.0+0x44c/0x550 [ 35.425477][ T3603] udf_put_super+0x133/0x220 [ 35.430074][ T3603] ? udf_close_lvid.isra.0+0x550/0x550 [ 35.435518][ T3603] generic_shutdown_super+0x154/0x410 [ 35.440874][ T3603] kill_block_super+0x97/0xf0 [ 35.445534][ T3603] deactivate_locked_super+0x94/0x160 [ 35.450893][ T3603] deactivate_super+0xad/0xd0 [ 35.455553][ T3603] cleanup_mnt+0x2ae/0x3d0 [ 35.459960][ T3603] task_work_run+0x16b/0x270 [ 35.464542][ T3603] ? task_work_cancel+0x30/0x30 [ 35.469384][ T3603] do_exit+0xb35/0x2a20 [ 35.473521][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 35.478355][ T3603] ? do_raw_spin_lock+0x120/0x2a0 [ 35.483364][ T3603] ? mm_update_next_owner+0x7b0/0x7b0 [ 35.488717][ T3603] ? rwlock_bug.part.0+0x90/0x90 [ 35.493640][ T3603] do_group_exit+0xd0/0x2a0 [ 35.498125][ T3603] __x64_sys_exit_group+0x3a/0x50 [ 35.503133][ T3603] do_syscall_64+0x35/0xb0 [ 35.507539][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 35.513420][ T3603] RIP: 0033:0x7f038d47cc79 [ 35.517813][ T3603] Code: Unable to access opcode bytes at 0x7f038d47cc4f. [ 35.524807][ T3603] RSP: 002b:00007ffe97cfa678 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.533199][ T3603] RAX: ffffffffffffffda RBX: 00007f038d4f33f0 RCX: 00007f038d47cc79 [ 35.541152][ T3603] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 35.549104][ T3603] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f038d4ede40 [ 35.557057][ T3603] R10: 0000555555aba2c0 R11: 0000000000000246 R12: 00007f038d4f33f0 [ 35.565011][ T3603] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.572969][ T3603] [ 35.576852][ T3603] Kernel Offset: disabled [ 35.581158][ T3603] Rebooting in 86400 seconds..