./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4178919033 <...> Warning: Permanently added '10.128.1.131' (ED25519) to the list of known hosts. execve("./syz-executor4178919033", ["./syz-executor4178919033"], 0x7ffe498812f0 /* 10 vars */) = 0 brk(NULL) = 0x55557cd18000 brk(0x55557cd18d00) = 0x55557cd18d00 arch_prctl(ARCH_SET_FS, 0x55557cd18380) = 0 set_tid_address(0x55557cd18650) = 5828 set_robust_list(0x55557cd18660, 24) = 0 rseq(0x55557cd18ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4178919033", 4096) = 28 getrandom("\xb8\x02\x3b\x17\x74\x36\xdf\x84", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557cd18d00 brk(0x55557cd39d00) = 0x55557cd39d00 brk(0x55557cd3a000) = 0x55557cd3a000 mprotect(0x7f9ab9200000, 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 mkdir("./syzkaller.fBVTRQ", 0700) = 0 chmod("./syzkaller.fBVTRQ", 0777) = 0 chdir("./syzkaller.fBVTRQ") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached [pid 5829] set_robust_list(0x55557cd18660, 24 [pid 5828] <... clone resumed>, child_tidptr=0x55557cd18650) = 5829 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5829] chdir("./0") = 0 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] setpgid(0, 0) = 0 [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1000", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5829] write(1, "executing program\n", 18) = 18 [pid 5829] socket(AF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL)) = 3 [pid 5829] socket(AF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL)) = 4 [pid 5829] memfd_create("syzkaller", 0) = 5 [pid 5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9ab0c00000 [pid 5829] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5829] munmap(0x7f9ab0c00000, 138412032) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 5829] ioctl(6, LOOP_SET_FD, 5) = 0 [pid 5829] close(5) = 0 [pid 5829] close(6) = 0 [pid 5829] mkdir("./file0", 0777) = 0 [ 74.205032][ T5829] loop0: detected capacity change from 0 to 32768 [ 74.264470][ T5829] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 74.272925][ T5829] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 74.303275][ T5829] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 74.313884][ T874] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 74.321227][ T874] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 74.368884][ T874] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 47ms [ 74.377285][ T874] gfs2: fsid=syz:syz.0: jid=0: Done [ 74.382645][ T5829] gfs2: fsid=syz:syz.0: first mount done, others may mount [pid 5829] mount("/dev/loop0", "./file0", "gfs2", 0, "suiddir,lockproto=lock_nolock,quota,") = 0 [pid 5829] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5829] chdir("./file0") = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] exit_group(0) = ? [pid 5829] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=0, si_stime=51 /* 0.51 s */} --- [ 74.650457][ T5829] gfs2: fsid=syz:syz.0: found 1 quota changes restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55557cd196f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 74.807301][ T5828] ------------[ cut here ]------------ [ 74.812955][ T5828] WARNING: CPU: 0 PID: 5828 at ./include/linux/backing-dev.h:254 __folio_mark_dirty+0xa3a/0xe80 [ 74.823445][ T5828] Modules linked in: [ 74.827348][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor417 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0 [ 74.838466][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 74.848532][ T5828] RIP: 0010:__folio_mark_dirty+0xa3a/0xe80 [ 74.854361][ T5828] Code: e8 8b 70 c4 ff 4c 89 ef 48 8b 34 24 e8 2f 04 33 00 e9 4a fe ff ff e8 75 70 c4 ff 90 0f 0b 90 e9 08 fe ff ff e8 67 70 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 [ 74.874077][ T5828] RSP: 0018:ffffc9000482f688 EFLAGS: 00010093 [ 74.880171][ T5828] RAX: ffffffff81daedd9 RBX: 0000000000000000 RCX: ffff8880323c0000 [ 74.888160][ T5828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 74.896235][ T5828] RBP: ffff888148c81ef8 R08: ffffffff81dae7d5 R09: 1ffff110291903df [ 74.904222][ T5828] R10: dffffc0000000000 R11: ffffed10291903e0 R12: ffff888148c81d88 [ 74.912213][ T5828] R13: ffffea0001e29340 R14: 0000000000000001 R15: 1ffff110291903df [ 74.920199][ T5828] FS: 000055557cd18380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 74.929239][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.935931][ T5828] CR2: 00007ffd638d3c38 CR3: 000000007833c000 CR4: 0000000000350ef0 [ 74.943927][ T5828] Call Trace: [ 74.947218][ T5828] [ 74.950161][ T5828] ? __warn+0x165/0x4d0 [ 74.954341][ T5828] ? __folio_mark_dirty+0xa3a/0xe80 [ 74.959571][ T5828] ? report_bug+0x2b3/0x500 [ 74.964116][ T5828] ? __folio_mark_dirty+0xa3a/0xe80 [ 74.969348][ T5828] ? handle_bug+0x60/0x90 [ 74.973709][ T5828] ? exc_invalid_op+0x1a/0x50 [ 74.978455][ T5828] ? asm_exc_invalid_op+0x1a/0x20 [ 74.983545][ T5828] ? __folio_mark_dirty+0x435/0xe80 [ 74.988780][ T5828] ? __folio_mark_dirty+0xa39/0xe80 [ 74.994007][ T5828] ? __folio_mark_dirty+0xa3a/0xe80 [ 74.999226][ T5828] ? __folio_mark_dirty+0xa39/0xe80 [ 75.004456][ T5828] mark_buffer_dirty+0x28e/0x440 [ 75.009419][ T5828] gfs2_unpin+0x129/0xa60 [ 75.013799][ T5828] buf_lo_after_commit+0x14f/0x1a0 [ 75.018932][ T5828] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 75.024592][ T5828] gfs2_log_flush+0x118f/0x2610 [ 75.029475][ T5828] ? __pfx_gfs2_log_flush+0x10/0x10 [ 75.034777][ T5828] ? do_sync+0x9c2/0xc60 [ 75.039041][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.044686][ T5828] ? do_sync+0x9c2/0xc60 [ 75.048953][ T5828] do_sync+0xa0b/0xc60 [ 75.053097][ T5828] ? __pfx_do_sync+0x10/0x10 [ 75.057917][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.063558][ T5828] ? do_raw_spin_unlock+0x13c/0x8b0 [ 75.068764][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.074410][ T5828] gfs2_quota_sync+0x3bc/0x4a0 [ 75.079227][ T5828] gfs2_sync_fs+0x4d/0xc0 [ 75.083582][ T5828] sync_filesystem+0xef/0x230 [ 75.088277][ T5828] generic_shutdown_super+0x72/0x2d0 [ 75.093673][ T5828] kill_block_super+0x44/0x90 [ 75.098451][ T5828] deactivate_locked_super+0xc6/0x130 [ 75.103852][ T5828] cleanup_mnt+0x41f/0x4b0 [ 75.108290][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.113930][ T5828] ? lockdep_hardirqs_on+0x99/0x150 [ 75.119161][ T5828] task_work_run+0x251/0x310 [ 75.123775][ T5828] ? __pfx_task_work_run+0x10/0x10 [ 75.128903][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.134543][ T5828] ? path_umount+0x284/0xf70 [ 75.139155][ T5828] ptrace_notify+0x2d2/0x380 [ 75.143770][ T5828] ? __pfx_ptrace_notify+0x10/0x10 [ 75.148897][ T5828] ? kmem_cache_free+0x195/0x410 [ 75.153885][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.159525][ T5828] ? __x64_sys_umount+0x123/0x170 [ 75.164567][ T5828] syscall_exit_work+0xc7/0x1d0 [ 75.169471][ T5828] syscall_exit_to_user_mode+0x24a/0x340 [ 75.175125][ T5828] do_syscall_64+0x100/0x230 [ 75.179741][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.185657][ T5828] RIP: 0033:0x7f9ab9155347 [ 75.190079][ T5828] Code: 0a 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 75.209692][ T5828] RSP: 002b:00007ffd638d43e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 75.218120][ T5828] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9ab9155347 [ 75.226095][ T5828] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd638d44a0 [ 75.234099][ T5828] RBP: 00007ffd638d44a0 R08: 0000000000000000 R09: 0000000000000000 [ 75.242162][ T5828] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd638d5500 [ 75.250252][ T5828] R13: 000055557cd196c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 75.258250][ T5828] [ 75.261281][ T5828] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.268560][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor417 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0 [ 75.279674][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 75.289734][ T5828] Call Trace: [ 75.293018][ T5828] [ 75.295952][ T5828] dump_stack_lvl+0x241/0x360 [ 75.300657][ T5828] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.305874][ T5828] ? __pfx__printk+0x10/0x10 [ 75.310481][ T5828] ? _printk+0xd5/0x120 [ 75.314649][ T5828] ? __init_begin+0x41000/0x41000 [ 75.319775][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.325415][ T5828] ? vscnprintf+0x5d/0x90 [ 75.329757][ T5828] panic+0x349/0x880 [ 75.333671][ T5828] ? __warn+0x174/0x4d0 [ 75.337844][ T5828] ? __pfx_panic+0x10/0x10 [ 75.342292][ T5828] __warn+0x344/0x4d0 [ 75.346634][ T5828] ? __folio_mark_dirty+0xa3a/0xe80 [ 75.351858][ T5828] report_bug+0x2b3/0x500 [ 75.356203][ T5828] ? __folio_mark_dirty+0xa3a/0xe80 [ 75.361506][ T5828] handle_bug+0x60/0x90 [ 75.365681][ T5828] exc_invalid_op+0x1a/0x50 [ 75.370203][ T5828] asm_exc_invalid_op+0x1a/0x20 [ 75.375071][ T5828] RIP: 0010:__folio_mark_dirty+0xa3a/0xe80 [ 75.380894][ T5828] Code: e8 8b 70 c4 ff 4c 89 ef 48 8b 34 24 e8 2f 04 33 00 e9 4a fe ff ff e8 75 70 c4 ff 90 0f 0b 90 e9 08 fe ff ff e8 67 70 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 [ 75.400505][ T5828] RSP: 0018:ffffc9000482f688 EFLAGS: 00010093 [ 75.406588][ T5828] RAX: ffffffff81daedd9 RBX: 0000000000000000 RCX: ffff8880323c0000 [ 75.414563][ T5828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 75.422537][ T5828] RBP: ffff888148c81ef8 R08: ffffffff81dae7d5 R09: 1ffff110291903df [ 75.430553][ T5828] R10: dffffc0000000000 R11: ffffed10291903e0 R12: ffff888148c81d88 [ 75.438533][ T5828] R13: ffffea0001e29340 R14: 0000000000000001 R15: 1ffff110291903df [ 75.446646][ T5828] ? __folio_mark_dirty+0x435/0xe80 [ 75.451881][ T5828] ? __folio_mark_dirty+0xa39/0xe80 [ 75.457109][ T5828] ? __folio_mark_dirty+0xa39/0xe80 [ 75.462341][ T5828] mark_buffer_dirty+0x28e/0x440 [ 75.467392][ T5828] gfs2_unpin+0x129/0xa60 [ 75.471763][ T5828] buf_lo_after_commit+0x14f/0x1a0 [ 75.476896][ T5828] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 75.482552][ T5828] gfs2_log_flush+0x118f/0x2610 [ 75.487442][ T5828] ? __pfx_gfs2_log_flush+0x10/0x10 [ 75.492658][ T5828] ? do_sync+0x9c2/0xc60 [ 75.496939][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.502678][ T5828] ? do_sync+0x9c2/0xc60 [ 75.506955][ T5828] do_sync+0xa0b/0xc60 [ 75.511063][ T5828] ? __pfx_do_sync+0x10/0x10 [ 75.515689][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.521337][ T5828] ? do_raw_spin_unlock+0x13c/0x8b0 [ 75.526551][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.532198][ T5828] gfs2_quota_sync+0x3bc/0x4a0 [ 75.537031][ T5828] gfs2_sync_fs+0x4d/0xc0 [ 75.541380][ T5828] sync_filesystem+0xef/0x230 [ 75.546085][ T5828] generic_shutdown_super+0x72/0x2d0 [ 75.551395][ T5828] kill_block_super+0x44/0x90 [ 75.556098][ T5828] deactivate_locked_super+0xc6/0x130 [ 75.561495][ T5828] cleanup_mnt+0x41f/0x4b0 [ 75.565931][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.571570][ T5828] ? lockdep_hardirqs_on+0x99/0x150 [ 75.576789][ T5828] task_work_run+0x251/0x310 [ 75.581419][ T5828] ? __pfx_task_work_run+0x10/0x10 [ 75.586554][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.592194][ T5828] ? path_umount+0x284/0xf70 [ 75.596800][ T5828] ptrace_notify+0x2d2/0x380 [ 75.601419][ T5828] ? __pfx_ptrace_notify+0x10/0x10 [ 75.606547][ T5828] ? kmem_cache_free+0x195/0x410 [ 75.611508][ T5828] ? srso_alias_return_thunk+0x5/0xfbef5 [ 75.617172][ T5828] ? __x64_sys_umount+0x123/0x170 [ 75.622232][ T5828] syscall_exit_work+0xc7/0x1d0 [ 75.627106][ T5828] syscall_exit_to_user_mode+0x24a/0x340 [ 75.632766][ T5828] do_syscall_64+0x100/0x230 [ 75.637385][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.643298][ T5828] RIP: 0033:0x7f9ab9155347 [ 75.647722][ T5828] Code: 0a 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 75.667342][ T5828] RSP: 002b:00007ffd638d43e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 75.675777][ T5828] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9ab9155347 [ 75.683753][ T5828] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd638d44a0 [ 75.691729][ T5828] RBP: 00007ffd638d44a0 R08: 0000000000000000 R09: 0000000000000000 [ 75.699706][ T5828] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd638d5500 [ 75.707687][ T5828] R13: 000055557cd196c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 75.715683][ T5828] [ 75.718930][ T5828] Kernel Offset: disabled [ 75.723403][ T5828] Rebooting in 86400 seconds..