./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1422797683 <...> Warning: Permanently added '10.128.1.150' (ED25519) to the list of known hosts. execve("./syz-executor1422797683", ["./syz-executor1422797683"], 0x7ffea07d10b0 /* 10 vars */) = 0 brk(NULL) = 0x555567a0c000 brk(0x555567a0cd00) = 0x555567a0cd00 arch_prctl(ARCH_SET_FS, 0x555567a0c380) = 0 set_tid_address(0x555567a0c650) = 5220 set_robust_list(0x555567a0c660, 24) = 0 rseq(0x555567a0cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1422797683", 4096) = 28 getrandom("\xd7\x2d\x71\xe8\x17\x57\x4f\xb4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555567a0cd00 brk(0x555567a2dd00) = 0x555567a2dd00 brk(0x555567a2e000) = 0x555567a2e000 mprotect(0x7f797cd45000, 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 5221 attached [pid 5221] set_robust_list(0x555567a0c660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555567a0c650) = 5221 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] getppid() = 0 [pid 5221] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5221] unshare(CLONE_NEWNS) = 0 [pid 5221] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5221] unshare(CLONE_NEWIPC) = 0 [pid 5221] unshare(CLONE_NEWCGROUP) = 0 [pid 5221] unshare(CLONE_NEWUTS) = 0 [pid 5221] unshare(CLONE_SYSVSEM) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "16777216", 8) = 8 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "536870912", 9) = 9 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1024", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "8192", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1024", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1024", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5221] close(3) = 0 [pid 5221] getpid() = 1 [pid 5221] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 61 fd ff ff e8 4e e5 74 ff 90 0f 0b 90 e9 88 fd ff ff [ 58.494945][ T5221] RSP: 0018:ffffc90002d6fb28 EFLAGS: 00010293 [ 58.501071][ T5221] RAX: ffffffff821ff234 RBX: 1ffff110024a2001 RCX: ffff88801dba5a00 [ 58.509093][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.517087][ T5221] RBP: 0000000000000000 R08: ffffffff821fef91 R09: 1ffff1100e50dacb [ 58.525143][ T5221] R10: dffffc0000000000 R11: ffffed100e50dacc R12: dffffc0000000000 [ 58.533158][ T5221] R13: dffffc0000000000 R14: ffff88807286d658 R15: ffff888012510438 [ 58.541189][ T5221] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 58.550167][ T5221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.556760][ T5221] CR2: 00007f797cd490f8 CR3: 000000007a552000 CR4: 00000000003526f0 [ 58.564772][ T5221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.572786][ T5221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.580808][ T5221] Call Trace: [ 58.584094][ T5221] [ 58.587021][ T5221] ? __warn+0x168/0x4e0 [ 58.591218][ T5221] ? mark_buffer_dirty+0x2e5/0x520 [ 58.596351][ T5221] ? report_bug+0x2b3/0x500 [ 58.600906][ T5221] ? mark_buffer_dirty+0x2e5/0x520 [ 58.606065][ T5221] ? handle_bug+0x60/0x90 [ 58.610440][ T5221] ? exc_invalid_op+0x1a/0x50 [ 58.615135][ T5221] ? asm_exc_invalid_op+0x1a/0x20 [ 58.620226][ T5221] ? mark_buffer_dirty+0x41/0x520 [ 58.625284][ T5221] ? mark_buffer_dirty+0x2e4/0x520 [ 58.630447][ T5221] ? mark_buffer_dirty+0x2e5/0x520 [ 58.635593][ T5221] ? mark_buffer_dirty+0x2e4/0x520 [ 58.640784][ T5221] sysv_put_super+0x93/0x180 [ 58.645402][ T5221] ? __pfx_sysv_put_super+0x10/0x10 [ 58.650643][ T5221] generic_shutdown_super+0x139/0x2d0 [ 58.656034][ T5221] kill_block_super+0x44/0x90 [ 58.660782][ T5221] deactivate_locked_super+0xc4/0x130 [ 58.666176][ T5221] cleanup_mnt+0x41f/0x4b0 [ 58.670637][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 58.675855][ T5221] task_work_run+0x24f/0x310 [ 58.680486][ T5221] ? kasan_quarantine_put+0xdc/0x230 [ 58.685789][ T5221] ? __pfx_task_work_run+0x10/0x10 [ 58.690938][ T5221] ? do_exit+0xa2a/0x28e0 [ 58.695283][ T5221] ? kmem_cache_free+0x1a2/0x420 [ 58.700289][ T5221] ? do_exit+0xa2a/0x28e0 [ 58.704640][ T5221] do_exit+0xa2f/0x28e0 [ 58.708844][ T5221] ? __pfx_do_exit+0x10/0x10 [ 58.713444][ T5221] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 58.719474][ T5221] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 58.725824][ T5221] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.731067][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 58.736286][ T5221] do_group_exit+0x207/0x2c0 [ 58.740948][ T5221] __x64_sys_exit_group+0x3f/0x40 [ 58.745993][ T5221] x64_sys_call+0x2634/0x2640 [ 58.750726][ T5221] do_syscall_64+0xf3/0x230 [ 58.755254][ T5221] ? clear_bhb_loop+0x35/0x90 [ 58.759999][ T5221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.765933][ T5221] RIP: 0033:0x7f797ccc4f49 [ 58.770392][ T5221] Code: Unable to access opcode bytes at 0x7f797ccc4f1f. [ 58.777417][ T5221] RSP: 002b:00007ffc49dc82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.785875][ T5221] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f797ccc4f49 [ 58.793889][ T5221] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.801903][ T5221] RBP: 00007f797cd4b390 R08: ffffffffffffffb8 R09: 0000000000000006 [ 58.809916][ T5221] R10: 0000000020000e00 R11: 0000000000000246 R12: 00007f797cd4b390 [ 58.817879][ T5221] R13: 0000000000000000 R14: 00007f797cd4c100 R15: 00007f797cc93230 [ 58.825903][ T5221] [ 58.828959][ T5221] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 58.836236][ T5221] CPU: 1 UID: 0 PID: 5221 Comm: syz-executor142 Not tainted 6.12.0-rc4-syzkaller-00085-g4e46774408d9 #0 [ 58.847327][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.857370][ T5221] Call Trace: [ 58.860645][ T5221] [ 58.863582][ T5221] dump_stack_lvl+0x241/0x360 [ 58.868260][ T5221] ? __pfx_dump_stack_lvl+0x10/0x10 [ 58.873453][ T5221] ? __pfx__printk+0x10/0x10 [ 58.878041][ T5221] ? vscnprintf+0x5d/0x90 [ 58.882369][ T5221] panic+0x349/0x880 [ 58.886262][ T5221] ? __warn+0x177/0x4e0 [ 58.890410][ T5221] ? __pfx_panic+0x10/0x10 [ 58.894829][ T5221] __warn+0x34b/0x4e0 [ 58.898803][ T5221] ? mark_buffer_dirty+0x2e5/0x520 [ 58.903912][ T5221] report_bug+0x2b3/0x500 [ 58.908231][ T5221] ? mark_buffer_dirty+0x2e5/0x520 [ 58.913340][ T5221] handle_bug+0x60/0x90 [ 58.917494][ T5221] exc_invalid_op+0x1a/0x50 [ 58.921997][ T5221] asm_exc_invalid_op+0x1a/0x20 [ 58.926841][ T5221] RIP: 0010:mark_buffer_dirty+0x2e5/0x520 [ 58.932562][ T5221] Code: 89 df e8 3e 87 db ff 48 8b 3b be 20 00 00 00 5b 41 5e 41 5f 5d e9 fb e8 fb ff e8 66 e5 74 ff e9 73 ff ff ff e8 5c e5 74 ff 90 <0f> 0b 90 e9 61 fd ff ff e8 4e e5 74 ff 90 0f 0b 90 e9 88 fd ff ff [ 58.952252][ T5221] RSP: 0018:ffffc90002d6fb28 EFLAGS: 00010293 [ 58.958325][ T5221] RAX: ffffffff821ff234 RBX: 1ffff110024a2001 RCX: ffff88801dba5a00 [ 58.966325][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.974294][ T5221] RBP: 0000000000000000 R08: ffffffff821fef91 R09: 1ffff1100e50dacb [ 58.982264][ T5221] R10: dffffc0000000000 R11: ffffed100e50dacc R12: dffffc0000000000 [ 58.990235][ T5221] R13: dffffc0000000000 R14: ffff88807286d658 R15: ffff888012510438 [ 58.998208][ T5221] ? mark_buffer_dirty+0x41/0x520 [ 59.003232][ T5221] ? mark_buffer_dirty+0x2e4/0x520 [ 59.008349][ T5221] ? mark_buffer_dirty+0x2e4/0x520 [ 59.013489][ T5221] sysv_put_super+0x93/0x180 [ 59.018093][ T5221] ? __pfx_sysv_put_super+0x10/0x10 [ 59.023288][ T5221] generic_shutdown_super+0x139/0x2d0 [ 59.028664][ T5221] kill_block_super+0x44/0x90 [ 59.033337][ T5221] deactivate_locked_super+0xc4/0x130 [ 59.038707][ T5221] cleanup_mnt+0x41f/0x4b0 [ 59.043121][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 59.048318][ T5221] task_work_run+0x24f/0x310 [ 59.052908][ T5221] ? kasan_quarantine_put+0xdc/0x230 [ 59.058192][ T5221] ? __pfx_task_work_run+0x10/0x10 [ 59.063298][ T5221] ? do_exit+0xa2a/0x28e0 [ 59.067621][ T5221] ? kmem_cache_free+0x1a2/0x420 [ 59.072556][ T5221] ? do_exit+0xa2a/0x28e0 [ 59.076882][ T5221] do_exit+0xa2f/0x28e0 [ 59.081036][ T5221] ? __pfx_do_exit+0x10/0x10 [ 59.085614][ T5221] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 59.091599][ T5221] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.097931][ T5221] ? _raw_spin_unlock_irq+0x23/0x50 [ 59.103129][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 59.108355][ T5221] do_group_exit+0x207/0x2c0 [ 59.112977][ T5221] __x64_sys_exit_group+0x3f/0x40 [ 59.118011][ T5221] x64_sys_call+0x2634/0x2640 [ 59.122687][ T5221] do_syscall_64+0xf3/0x230 [ 59.127187][ T5221] ? clear_bhb_loop+0x35/0x90 [ 59.131975][ T5221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.137869][ T5221] RIP: 0033:0x7f797ccc4f49 [ 59.142277][ T5221] Code: Unable to access opcode bytes at 0x7f797ccc4f1f. [ 59.149292][ T5221] RSP: 002b:00007ffc49dc82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 59.157706][ T5221] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f797ccc4f49 [ 59.165711][ T5221] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 59.173677][ T5221] RBP: 00007f797cd4b390 R08: ffffffffffffffb8 R09: 0000000000000006 [ 59.181646][ T5221] R10: 0000000020000e00 R11: 0000000000000246 R12: 00007f797cd4b390 [ 59.189611][ T5221] R13: 0000000000000000 R14: 00007f797cd4c100 R15: 00007f797cc93230 [ 59.197590][ T5221] [ 59.200885][ T5221] Kernel Offset: disabled [ 59.205278][ T5221] Rebooting in 86400 seconds..