./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2794651959 <...> Warning: Permanently added '10.128.0.92' (ED25519) to the list of known hosts. execve("./syz-executor2794651959", ["./syz-executor2794651959"], 0x7ffc945410c0 /* 10 vars */) = 0 brk(NULL) = 0x555561891000 brk(0x555561891d00) = 0x555561891d00 arch_prctl(ARCH_SET_FS, 0x555561891380) = 0 set_tid_address(0x555561891650) = 5222 set_robust_list(0x555561891660, 24) = 0 rseq(0x555561891ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2794651959", 4096) = 28 getrandom("\x7e\x7d\xad\xcf\x32\x3a\x08\xeb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555561891d00 brk(0x5555618b2d00) = 0x5555618b2d00 brk(0x5555618b3000) = 0x5555618b3000 mprotect(0x7fea4f3be000, 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, child_tidptr=0x555561891650) = 5223 ./strace-static-x86_64: Process 5223 attached [pid 5223] set_robust_list(0x555561891660, 24) = 0 [pid 5223] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5223] setsid() = 1 [pid 5223] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5223] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5223] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5223] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5223] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5223] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5223] unshare(CLONE_NEWNS) = 0 [pid 5223] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5223] unshare(CLONE_NEWIPC) = 0 [pid 5223] unshare(CLONE_NEWCGROUP) = 0 [pid 5223] unshare(CLONE_NEWUTS) = 0 [pid 5223] unshare(CLONE_SYSVSEM) = 0 [pid 5223] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "16777216", 8) = 8 [pid 5223] close(3) = 0 [pid 5223] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "536870912", 9) = 9 [pid 5223] close(3) = 0 [pid 5223] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "1024", 4) = 4 [pid 5223] close(3) = 0 [pid 5223] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "8192", 4) = 4 [pid 5223] close(3) = 0 [pid 5223] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "1024", 4) = 4 [pid 5223] close(3) = 0 [pid 5223] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "1024", 4) = 4 [pid 5223] close(3) = 0 [pid 5223] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5223] close(3) = 0 [pid 5223] getpid() = 1 [pid 5223] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 cd fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 95 f9 [ 91.448179][ T5223] RSP: 0018:ffffc900033e7890 EFLAGS: 00010093 [ 91.454227][ T5223] RAX: ffffffff81cd79e8 RBX: 0000000000000000 RCX: ffff888076c45a00 [ 91.462180][ T5223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 91.470132][ T5223] RBP: ffff88801d8863f8 R08: ffffffff81cd75b1 R09: 1ffff11003b10c7f [ 91.478089][ T5223] R10: dffffc0000000000 R11: ffffed1003b10c80 R12: 0000000000000001 [ 91.486052][ T5223] R13: ffff88801d886288 R14: ffffea0001d8c200 R15: 1ffff11003b10c7f [ 91.494098][ T5223] FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 91.503019][ T5223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.509592][ T5223] CR2: 00007fea4f3c2130 CR3: 000000000e534000 CR4: 00000000003506f0 [ 91.517553][ T5223] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.525513][ T5223] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.533478][ T5223] Call Trace: [ 91.536748][ T5223] [ 91.539667][ T5223] ? __warn+0x163/0x4e0 [ 91.543828][ T5223] ? __folio_mark_dirty+0x879/0xe20 [ 91.549024][ T5223] ? report_bug+0x2b3/0x500 [ 91.553549][ T5223] ? __folio_mark_dirty+0x879/0xe20 [ 91.558742][ T5223] ? handle_bug+0x3e/0x70 [ 91.563062][ T5223] ? exc_invalid_op+0x1a/0x50 [ 91.567728][ T5223] ? asm_exc_invalid_op+0x1a/0x20 [ 91.572745][ T5223] ? __folio_mark_dirty+0x441/0xe20 [ 91.577933][ T5223] ? __folio_mark_dirty+0x878/0xe20 [ 91.583121][ T5223] ? __folio_mark_dirty+0x879/0xe20 [ 91.588314][ T5223] mark_buffer_dirty+0x290/0x500 [ 91.593241][ T5223] gfs2_unpin+0x129/0xa60 [ 91.597582][ T5223] buf_lo_after_commit+0x14f/0x1a0 [ 91.602688][ T5223] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 91.608315][ T5223] gfs2_log_flush+0x118d/0x2610 [ 91.613172][ T5223] ? __pfx_gfs2_log_flush+0x10/0x10 [ 91.618365][ T5223] ? __pfx_call_rcu+0x10/0x10 [ 91.623040][ T5223] gfs2_kill_sb+0x5b/0x330 [ 91.627451][ T5223] ? shrinker_free+0x2ca/0x3d0 [ 91.632206][ T5223] deactivate_locked_super+0xc4/0x130 [ 91.637580][ T5223] cleanup_mnt+0x41f/0x4b0 [ 91.641989][ T5223] ? lockdep_hardirqs_on+0x99/0x150 [ 91.647268][ T5223] task_work_run+0x24f/0x310 [ 91.651858][ T5223] ? __pfx_task_work_run+0x10/0x10 [ 91.656960][ T5223] ? do_exit+0xa2a/0x27f0 [ 91.661276][ T5223] ? kmem_cache_free+0x145/0x350 [ 91.666207][ T5223] do_exit+0xa2f/0x27f0 [ 91.670359][ T5223] ? __pfx_do_exit+0x10/0x10 [ 91.674933][ T5223] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 91.680908][ T5223] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.687231][ T5223] ? _raw_spin_unlock_irq+0x23/0x50 [ 91.692593][ T5223] ? lockdep_hardirqs_on+0x99/0x150 [ 91.697801][ T5223] do_group_exit+0x207/0x2c0 [ 91.702381][ T5223] __x64_sys_exit_group+0x3f/0x40 [ 91.707393][ T5223] x64_sys_call+0x2634/0x2640 [ 91.712061][ T5223] do_syscall_64+0xf3/0x230 [ 91.716555][ T5223] ? clear_bhb_loop+0x35/0x90 [ 91.721223][ T5223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.727104][ T5223] RIP: 0033:0x7fea4f30fb09 [ 91.731515][ T5223] Code: Unable to access opcode bytes at 0x7fea4f30fadf. [ 91.738515][ T5223] RSP: 002b:00007ffc031c1ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.746922][ T5223] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fea4f30fb09 [ 91.754888][ T5223] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 91.762850][ T5223] RBP: 00007fea4f3c42b0 R08: ffffffffffffffb8 R09: 0000000000000000 [ 91.770809][ T5223] R10: 0000000001a404ac R11: 0000000000000246 R12: 00007fea4f3c42b0 [ 91.778769][ T5223] R13: 0000000000000000 R14: 00007fea4f3c5020 R15: 00007fea4f2de030 [ 91.786750][ T5223] [ 91.789848][ T5223] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 91.797120][ T5223] CPU: 1 UID: 0 PID: 5223 Comm: syz-executor279 Not tainted 6.11.0-rc5-syzkaller-00057-g86987d84b968 #0 [ 91.808210][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 91.818249][ T5223] Call Trace: [ 91.821516][ T5223] [ 91.824434][ T5223] dump_stack_lvl+0x241/0x360 [ 91.829106][ T5223] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.834297][ T5223] ? __pfx__printk+0x10/0x10 [ 91.838879][ T5223] ? _printk+0xd5/0x120 [ 91.843031][ T5223] ? vscnprintf+0x5d/0x90 [ 91.847349][ T5223] panic+0x349/0x860 [ 91.851239][ T5223] ? __warn+0x172/0x4e0 [ 91.855382][ T5223] ? __pfx_panic+0x10/0x10 [ 91.859792][ T5223] ? show_trace_log_lvl+0x4e6/0x520 [ 91.865026][ T5223] __warn+0x346/0x4e0 [ 91.869027][ T5223] ? __folio_mark_dirty+0x879/0xe20 [ 91.874255][ T5223] report_bug+0x2b3/0x500 [ 91.878586][ T5223] ? __folio_mark_dirty+0x879/0xe20 [ 91.883785][ T5223] handle_bug+0x3e/0x70 [ 91.887935][ T5223] exc_invalid_op+0x1a/0x50 [ 91.892426][ T5223] asm_exc_invalid_op+0x1a/0x20 [ 91.897268][ T5223] RIP: 0010:__folio_mark_dirty+0x879/0xe20 [ 91.903088][ T5223] Code: f3 8b e8 ba 35 88 ff 90 0f 0b 90 90 e9 81 f9 ff ff e8 cb 11 c6 ff 4c 89 f7 48 8b 34 24 e8 6f 80 32 00 eb 87 e8 b8 11 c6 ff 90 <0f> 0b 90 e9 cd fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 95 f9 [ 91.922789][ T5223] RSP: 0018:ffffc900033e7890 EFLAGS: 00010093 [ 91.928957][ T5223] RAX: ffffffff81cd79e8 RBX: 0000000000000000 RCX: ffff888076c45a00 [ 91.936927][ T5223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 91.944981][ T5223] RBP: ffff88801d8863f8 R08: ffffffff81cd75b1 R09: 1ffff11003b10c7f [ 91.952946][ T5223] R10: dffffc0000000000 R11: ffffed1003b10c80 R12: 0000000000000001 [ 91.960913][ T5223] R13: ffff88801d886288 R14: ffffea0001d8c200 R15: 1ffff11003b10c7f [ 91.968887][ T5223] ? __folio_mark_dirty+0x441/0xe20 [ 91.974079][ T5223] ? __folio_mark_dirty+0x878/0xe20 [ 91.979283][ T5223] mark_buffer_dirty+0x290/0x500 [ 91.984214][ T5223] gfs2_unpin+0x129/0xa60 [ 91.988557][ T5223] buf_lo_after_commit+0x14f/0x1a0 [ 91.993663][ T5223] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 91.999291][ T5223] gfs2_log_flush+0x118d/0x2610 [ 92.004147][ T5223] ? __pfx_gfs2_log_flush+0x10/0x10 [ 92.009363][ T5223] ? __pfx_call_rcu+0x10/0x10 [ 92.014047][ T5223] gfs2_kill_sb+0x5b/0x330 [ 92.018468][ T5223] ? shrinker_free+0x2ca/0x3d0 [ 92.023233][ T5223] deactivate_locked_super+0xc4/0x130 [ 92.028606][ T5223] cleanup_mnt+0x41f/0x4b0 [ 92.033023][ T5223] ? lockdep_hardirqs_on+0x99/0x150 [ 92.038221][ T5223] task_work_run+0x24f/0x310 [ 92.042809][ T5223] ? __pfx_task_work_run+0x10/0x10 [ 92.047912][ T5223] ? do_exit+0xa2a/0x27f0 [ 92.052225][ T5223] ? kmem_cache_free+0x145/0x350 [ 92.057156][ T5223] do_exit+0xa2f/0x27f0 [ 92.061304][ T5223] ? __pfx_do_exit+0x10/0x10 [ 92.065878][ T5223] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 92.071850][ T5223] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 92.078172][ T5223] ? _raw_spin_unlock_irq+0x23/0x50 [ 92.083363][ T5223] ? lockdep_hardirqs_on+0x99/0x150 [ 92.088556][ T5223] do_group_exit+0x207/0x2c0 [ 92.093139][ T5223] __x64_sys_exit_group+0x3f/0x40 [ 92.098152][ T5223] x64_sys_call+0x2634/0x2640 [ 92.102819][ T5223] do_syscall_64+0xf3/0x230 [ 92.107310][ T5223] ? clear_bhb_loop+0x35/0x90 [ 92.111980][ T5223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.117867][ T5223] RIP: 0033:0x7fea4f30fb09 [ 92.122267][ T5223] Code: Unable to access opcode bytes at 0x7fea4f30fadf. [ 92.129267][ T5223] RSP: 002b:00007ffc031c1ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 92.137671][ T5223] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fea4f30fb09 [ 92.145629][ T5223] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 92.153583][ T5223] RBP: 00007fea4f3c42b0 R08: ffffffffffffffb8 R09: 0000000000000000 [ 92.161540][ T5223] R10: 0000000001a404ac R11: 0000000000000246 R12: 00007fea4f3c42b0 [ 92.169497][ T5223] R13: 0000000000000000 R14: 00007fea4f3c5020 R15: 00007fea4f2de030 [ 92.177470][ T5223] [ 92.180712][ T5223] Kernel Offset: disabled [ 92.185156][ T5223] Rebooting in 86400 seconds..