./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2572260945 <...> Warning: Permanently added '10.128.1.166' (ED25519) to the list of known hosts. execve("./syz-executor2572260945", ["./syz-executor2572260945"], 0x7ffcff6afb60 /* 10 vars */) = 0 brk(NULL) = 0x555558669000 brk(0x555558669d00) = 0x555558669d00 arch_prctl(ARCH_SET_FS, 0x555558669380) = 0 set_tid_address(0x555558669650) = 5836 set_robust_list(0x555558669660, 24) = 0 rseq(0x555558669ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2572260945", 4096) = 28 getrandom("\x19\xbc\xad\xb4\xc7\xad\x0e\x0e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555558669d00 brk(0x55555868ad00) = 0x55555868ad00 brk(0x55555868b000) = 0x55555868b000 mprotect(0x7f412563f000, 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 5837 attached [pid 5837] set_robust_list(0x555558669660, 24 [pid 5836] <... clone resumed>, child_tidptr=0x555558669650) = 5837 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5837] getppid() = 0 [pid 5837] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5837] unshare(CLONE_NEWNS) = 0 [pid 5837] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5837] unshare(CLONE_NEWIPC) = 0 [pid 5837] unshare(CLONE_NEWCGROUP) = 0 [pid 5837] unshare(CLONE_NEWUTS) = 0 [pid 5837] unshare(CLONE_SYSVSEM) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "16777216", 8) = 8 [pid 5837] close(3) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "536870912", 9) = 9 [pid 5837] close(3) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "1024", 4) = 4 [pid 5837] close(3) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "8192", 4) = 4 [pid 5837] close(3) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "1024", 4) = 4 [pid 5837] close(3) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "1024", 4) = 4 [pid 5837] close(3) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5837] close(3) = 0 [pid 5837] getpid() = 1 [pid 5837] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 00 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cc f7 [ 65.973158][ T5837] RSP: 0018:ffffc90003907628 EFLAGS: 00010093 [ 65.979214][ T5837] RAX: ffffffff81dae879 RBX: 0000000000000000 RCX: ffff888033f99e00 [ 65.987176][ T5837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.995131][ T5837] RBP: ffff888023494cf8 R08: ffffffff81dae275 R09: 1ffff1100469299f [ 66.003094][ T5837] R10: dffffc0000000000 R11: ffffed10046929a0 R12: ffff888023494b88 [ 66.011054][ T5837] R13: ffffea0000d3fd00 R14: 0000000000000001 R15: 1ffff1100469299f [ 66.019011][ T5837] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 66.027925][ T5837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.034496][ T5837] CR2: 00007ff306266870 CR3: 000000000e736000 CR4: 00000000003526f0 [ 66.042464][ T5837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.050421][ T5837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.058381][ T5837] Call Trace: [ 66.061658][ T5837] [ 66.064578][ T5837] ? __warn+0x165/0x4d0 [ 66.068754][ T5837] ? __folio_mark_dirty+0xa3a/0xe80 [ 66.073946][ T5837] ? report_bug+0x2b3/0x500 [ 66.078468][ T5837] ? __folio_mark_dirty+0xa3a/0xe80 [ 66.083675][ T5837] ? handle_bug+0x60/0x90 [ 66.088036][ T5837] ? exc_invalid_op+0x1a/0x50 [ 66.092709][ T5837] ? asm_exc_invalid_op+0x1a/0x20 [ 66.097731][ T5837] ? __folio_mark_dirty+0x435/0xe80 [ 66.102916][ T5837] ? __folio_mark_dirty+0xa39/0xe80 [ 66.108109][ T5837] ? __folio_mark_dirty+0xa3a/0xe80 [ 66.113304][ T5837] ? __folio_mark_dirty+0xa39/0xe80 [ 66.118493][ T5837] mark_buffer_dirty+0x28e/0x440 [ 66.123439][ T5837] gfs2_unpin+0x129/0xa60 [ 66.127783][ T5837] buf_lo_after_commit+0x14f/0x1a0 [ 66.132890][ T5837] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 66.138518][ T5837] gfs2_log_flush+0x118d/0x2610 [ 66.143375][ T5837] ? __pfx_gfs2_log_flush+0x10/0x10 [ 66.148567][ T5837] ? do_sync+0x9c2/0xc60 [ 66.152797][ T5837] ? do_sync+0x9c2/0xc60 [ 66.157046][ T5837] do_sync+0xa0b/0xc60 [ 66.161114][ T5837] ? __pfx_do_sync+0x10/0x10 [ 66.165704][ T5837] ? do_raw_spin_unlock+0x13c/0x8b0 [ 66.170904][ T5837] gfs2_quota_sync+0x3bc/0x4a0 [ 66.175691][ T5837] gfs2_sync_fs+0x4d/0xc0 [ 66.180024][ T5837] sync_filesystem+0xed/0x230 [ 66.184696][ T5837] generic_shutdown_super+0x72/0x2d0 [ 66.189975][ T5837] kill_block_super+0x44/0x90 [ 66.194638][ T5837] deactivate_locked_super+0xc4/0x130 [ 66.200001][ T5837] cleanup_mnt+0x41f/0x4b0 [ 66.204410][ T5837] ? lockdep_hardirqs_on+0x99/0x150 [ 66.209596][ T5837] task_work_run+0x24f/0x310 [ 66.214192][ T5837] ? __pfx_task_work_run+0x10/0x10 [ 66.219295][ T5837] do_exit+0xa2f/0x28e0 [ 66.223443][ T5837] ? __pfx_do_exit+0x10/0x10 [ 66.228014][ T5837] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 66.233983][ T5837] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.240303][ T5837] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.245489][ T5837] ? lockdep_hardirqs_on+0x99/0x150 [ 66.250678][ T5837] do_group_exit+0x207/0x2c0 [ 66.255284][ T5837] __x64_sys_exit_group+0x3f/0x40 [ 66.260297][ T5837] x64_sys_call+0x26a8/0x26b0 [ 66.264959][ T5837] do_syscall_64+0xf3/0x230 [ 66.269454][ T5837] ? clear_bhb_loop+0x35/0x90 [ 66.274124][ T5837] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.280002][ T5837] RIP: 0033:0x7f41255b6a49 [ 66.284409][ T5837] Code: Unable to access opcode bytes at 0x7f41255b6a1f. [ 66.291411][ T5837] RSP: 002b:00007ffcfc70f938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 66.299831][ T5837] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f41255b6a49 [ 66.307794][ T5837] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 66.315758][ T5837] RBP: 00007f41256452b0 R08: ffffffffffffffb8 R09: 00000000000125aa [ 66.323714][ T5837] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41256452b0 [ 66.331671][ T5837] R13: 0000000000000000 R14: 00007f4125646020 R15: 00007f4125584f80 [ 66.339634][ T5837] [ 66.342657][ T5837] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 66.349924][ T5837] CPU: 1 UID: 0 PID: 5837 Comm: syz-executor257 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0 [ 66.360490][ T5837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 66.370540][ T5837] Call Trace: [ 66.373812][ T5837] [ 66.376730][ T5837] dump_stack_lvl+0x241/0x360 [ 66.381400][ T5837] ? __pfx_dump_stack_lvl+0x10/0x10 [ 66.386583][ T5837] ? __pfx__printk+0x10/0x10 [ 66.391160][ T5837] ? _printk+0xd5/0x120 [ 66.395301][ T5837] ? __init_begin+0x41000/0x41000 [ 66.400309][ T5837] ? vscnprintf+0x5d/0x90 [ 66.404622][ T5837] panic+0x349/0x880 [ 66.408507][ T5837] ? __warn+0x174/0x4d0 [ 66.412651][ T5837] ? __pfx_panic+0x10/0x10 [ 66.417063][ T5837] __warn+0x344/0x4d0 [ 66.421032][ T5837] ? __folio_mark_dirty+0xa3a/0xe80 [ 66.426228][ T5837] report_bug+0x2b3/0x500 [ 66.430542][ T5837] ? __folio_mark_dirty+0xa3a/0xe80 [ 66.435729][ T5837] handle_bug+0x60/0x90 [ 66.439869][ T5837] exc_invalid_op+0x1a/0x50 [ 66.444379][ T5837] asm_exc_invalid_op+0x1a/0x20 [ 66.449224][ T5837] RIP: 0010:__folio_mark_dirty+0xa3a/0xe80 [ 66.455034][ T5837] Code: e8 cb 73 c4 ff 4c 89 ef 48 8b 34 24 e8 7f 09 33 00 e9 4a fe ff ff e8 b5 73 c4 ff 90 0f 0b 90 e9 08 fe ff ff e8 a7 73 c4 ff 90 <0f> 0b 90 e9 00 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cc f7 [ 66.474639][ T5837] RSP: 0018:ffffc90003907628 EFLAGS: 00010093 [ 66.480708][ T5837] RAX: ffffffff81dae879 RBX: 0000000000000000 RCX: ffff888033f99e00 [ 66.488674][ T5837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 66.496633][ T5837] RBP: ffff888023494cf8 R08: ffffffff81dae275 R09: 1ffff1100469299f [ 66.504600][ T5837] R10: dffffc0000000000 R11: ffffed10046929a0 R12: ffff888023494b88 [ 66.512566][ T5837] R13: ffffea0000d3fd00 R14: 0000000000000001 R15: 1ffff1100469299f [ 66.520535][ T5837] ? __folio_mark_dirty+0x435/0xe80 [ 66.525726][ T5837] ? __folio_mark_dirty+0xa39/0xe80 [ 66.530917][ T5837] ? __folio_mark_dirty+0xa39/0xe80 [ 66.536107][ T5837] mark_buffer_dirty+0x28e/0x440 [ 66.541037][ T5837] gfs2_unpin+0x129/0xa60 [ 66.545373][ T5837] buf_lo_after_commit+0x14f/0x1a0 [ 66.550475][ T5837] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 66.556101][ T5837] gfs2_log_flush+0x118d/0x2610 [ 66.560956][ T5837] ? __pfx_gfs2_log_flush+0x10/0x10 [ 66.566143][ T5837] ? do_sync+0x9c2/0xc60 [ 66.570373][ T5837] ? do_sync+0x9c2/0xc60 [ 66.574603][ T5837] do_sync+0xa0b/0xc60 [ 66.578677][ T5837] ? __pfx_do_sync+0x10/0x10 [ 66.583258][ T5837] ? do_raw_spin_unlock+0x13c/0x8b0 [ 66.588450][ T5837] gfs2_quota_sync+0x3bc/0x4a0 [ 66.593206][ T5837] gfs2_sync_fs+0x4d/0xc0 [ 66.597618][ T5837] sync_filesystem+0xed/0x230 [ 66.602292][ T5837] generic_shutdown_super+0x72/0x2d0 [ 66.607566][ T5837] kill_block_super+0x44/0x90 [ 66.612231][ T5837] deactivate_locked_super+0xc4/0x130 [ 66.617594][ T5837] cleanup_mnt+0x41f/0x4b0 [ 66.622001][ T5837] ? lockdep_hardirqs_on+0x99/0x150 [ 66.627184][ T5837] task_work_run+0x24f/0x310 [ 66.631786][ T5837] ? __pfx_task_work_run+0x10/0x10 [ 66.636912][ T5837] do_exit+0xa2f/0x28e0 [ 66.641060][ T5837] ? __pfx_do_exit+0x10/0x10 [ 66.645635][ T5837] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 66.651619][ T5837] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.657933][ T5837] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.663117][ T5837] ? lockdep_hardirqs_on+0x99/0x150 [ 66.668308][ T5837] do_group_exit+0x207/0x2c0 [ 66.672891][ T5837] __x64_sys_exit_group+0x3f/0x40 [ 66.677900][ T5837] x64_sys_call+0x26a8/0x26b0 [ 66.682561][ T5837] do_syscall_64+0xf3/0x230 [ 66.687056][ T5837] ? clear_bhb_loop+0x35/0x90 [ 66.691723][ T5837] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.697601][ T5837] RIP: 0033:0x7f41255b6a49 [ 66.702020][ T5837] Code: Unable to access opcode bytes at 0x7f41255b6a1f. [ 66.709019][ T5837] RSP: 002b:00007ffcfc70f938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 66.717431][ T5837] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f41255b6a49 [ 66.725396][ T5837] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 66.733355][ T5837] RBP: 00007f41256452b0 R08: ffffffffffffffb8 R09: 00000000000125aa [ 66.741331][ T5837] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41256452b0 [ 66.749285][ T5837] R13: 0000000000000000 R14: 00007f4125646020 R15: 00007f4125584f80 [ 66.757253][ T5837] [ 66.760533][ T5837] Kernel Offset: disabled [ 66.765007][ T5837] Rebooting in 86400 seconds..