./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2128045631 <...> Warning: Permanently added '10.128.1.24' (ED25519) to the list of known hosts. execve("./syz-executor2128045631", ["./syz-executor2128045631"], 0x7ffd3ea757b0 /* 10 vars */) = 0 brk(NULL) = 0x555584ee5000 brk(0x555584ee5d00) = 0x555584ee5d00 arch_prctl(ARCH_SET_FS, 0x555584ee5380) = 0 set_tid_address(0x555584ee5650) = 5076 set_robust_list(0x555584ee5660, 24) = 0 rseq(0x555584ee5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2128045631", 4096) = 28 getrandom("\xcc\x5d\xa1\x32\x64\x67\xf7\x04", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555584ee5d00 brk(0x555584f06d00) = 0x555584f06d00 brk(0x555584f07000) = 0x555584f07000 mprotect(0x7faa79e3a000, 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=0x555584ee5650) = 5077 ./strace-static-x86_64: Process 5077 attached [pid 5077] set_robust_list(0x555584ee5660, 24) = 0 [pid 5077] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setsid() = 1 [pid 5077] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5077] unshare(CLONE_NEWNS) = 0 [pid 5077] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5077] unshare(CLONE_NEWIPC) = 0 [pid 5077] unshare(CLONE_NEWCGROUP) = 0 [pid 5077] unshare(CLONE_NEWUTS) = 0 [pid 5077] unshare(CLONE_SYSVSEM) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "16777216", 8) = 8 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "536870912", 9) = 9 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "8192", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5077] close(3) = 0 [pid 5077] getpid() = 1 [pid 5077] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 eb af 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 83 fc ff ff 48 [ 60.382355][ T34] RSP: 0018:ffffc90000aa6c58 EFLAGS: 00010246 [ 60.388433][ T34] RAX: 000000000000001f RBX: ffff888018e96400 RCX: 723cfab6a6b28a00 [ 60.396707][ T34] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 60.404899][ T34] RBP: 0000000000000000 R08: ffffffff8176b74c R09: 1ffff92000154d2c [ 60.412928][ T34] R10: dffffc0000000000 R11: fffff52000154d2d R12: 0000000000000000 [ 60.420934][ T34] R13: dffffc0000000000 R14: ffff888024358000 R15: ffff8880243580e0 [ 60.428948][ T34] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 60.437989][ T34] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.444626][ T34] CR2: 00007faa79e3e130 CR3: 000000000e134000 CR4: 00000000003506f0 [ 60.452732][ T34] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.460761][ T34] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.468731][ T34] Call Trace: [ 60.472074][ T34] [ 60.475013][ T34] ? __warn+0x163/0x4e0 [ 60.479217][ T34] ? hfs_bnode_create+0x3b6/0x440 [ 60.484297][ T34] ? report_bug+0x2b3/0x500 [ 60.488831][ T34] ? hfs_bnode_create+0x3b6/0x440 [ 60.493926][ T34] ? handle_bug+0x3e/0x70 [ 60.498273][ T34] ? exc_invalid_op+0x1a/0x50 [ 60.502989][ T34] ? asm_exc_invalid_op+0x1a/0x20 [ 60.508045][ T34] ? __wake_up_klogd+0xcc/0x110 [ 60.512997][ T34] ? hfs_bnode_create+0x3b6/0x440 [ 60.518067][ T34] ? hfs_bnode_create+0x3b5/0x440 [ 60.523152][ T34] hfs_bmap_alloc+0x5a6/0x650 [ 60.527843][ T34] ? __pfx_hfs_bmap_alloc+0x10/0x10 [ 60.533122][ T34] hfs_btree_inc_height+0x11e/0xd20 [ 60.538339][ T34] ? hfs_brec_insert+0x6e0/0xbd0 [ 60.543321][ T34] ? __pfx_hfs_btree_inc_height+0x10/0x10 [ 60.549054][ T34] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.554347][ T34] ? hfs_bnode_put+0x1c4/0x380 [ 60.559130][ T34] hfs_brec_insert+0x723/0xbd0 [ 60.563955][ T34] ? __pfx_hfs_brec_insert+0x10/0x10 [ 60.569285][ T34] __hfs_ext_write_extent+0x2f2/0x4f0 [ 60.574725][ T34] hfs_ext_write_extent+0x154/0x1d0 [ 60.579954][ T34] ? __pfx_hfs_ext_write_extent+0x10/0x10 [ 60.585673][ T34] hfs_write_inode+0xbc/0xec0 [ 60.590409][ T34] ? __pfx_hfs_write_inode+0x10/0x10 [ 60.595710][ T34] ? __writeback_single_inode+0x4d1/0x10b0 [ 60.601581][ T34] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.606802][ T34] __writeback_single_inode+0x6b9/0x10b0 [ 60.612501][ T34] writeback_sb_inodes+0x905/0x1260 [ 60.617732][ T34] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 60.623418][ T34] ? do_raw_spin_lock+0x14f/0x370 [ 60.628466][ T34] ? __lock_acquire+0x1346/0x1fd0 [ 60.633627][ T34] ? rcu_is_watching+0x15/0xb0 [ 60.638418][ T34] ? queue_io+0x3d9/0x5a0 [ 60.642833][ T34] wb_writeback+0x457/0xce0 [ 60.647385][ T34] ? __pfx_wb_writeback+0x10/0x10 [ 60.652495][ T34] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 60.658507][ T34] wb_workfn+0x410/0x1090 [ 60.662898][ T34] ? __pfx_wb_workfn+0x10/0x10 [ 60.667691][ T34] ? __pfx_lock_acquire+0x10/0x10 [ 60.672779][ T34] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 60.678874][ T34] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.685257][ T34] ? process_scheduled_works+0x91b/0x17c0 [ 60.691023][ T34] process_scheduled_works+0xa10/0x17c0 [ 60.696581][ T34] ? __pfx_process_scheduled_works+0x10/0x10 [ 60.702604][ T34] ? assign_work+0x364/0x3d0 [ 60.707216][ T34] worker_thread+0x86d/0xd70 [ 60.711890][ T34] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 60.717802][ T34] ? __kthread_parkme+0x169/0x1d0 [ 60.722887][ T34] ? __pfx_worker_thread+0x10/0x10 [ 60.728010][ T34] kthread+0x2f0/0x390 [ 60.732134][ T34] ? __pfx_worker_thread+0x10/0x10 [ 60.737254][ T34] ? __pfx_kthread+0x10/0x10 [ 60.741881][ T34] ret_from_fork+0x4b/0x80 [ 60.746309][ T34] ? __pfx_kthread+0x10/0x10 [ 60.750979][ T34] ret_from_fork_asm+0x1a/0x30 [ 60.755785][ T34] [ 60.758817][ T34] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 60.766096][ T34] CPU: 1 PID: 34 Comm: kworker/u8:2 Not tainted 6.9.0-rc6-syzkaller-00053-g0106679839f7 #0 [ 60.776055][ T34] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 60.786097][ T34] Workqueue: writeback wb_workfn (flush-7:0) [ 60.792087][ T34] Call Trace: [ 60.795359][ T34] [ 60.798280][ T34] dump_stack_lvl+0x241/0x360 [ 60.802958][ T34] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.808149][ T34] ? __pfx__printk+0x10/0x10 [ 60.812734][ T34] ? _printk+0xd5/0x120 [ 60.816885][ T34] ? vscnprintf+0x5d/0x90 [ 60.821206][ T34] panic+0x349/0x860 [ 60.825091][ T34] ? __warn+0x172/0x4e0 [ 60.829250][ T34] ? __pfx_panic+0x10/0x10 [ 60.833663][ T34] ? show_trace_log_lvl+0x4e6/0x520 [ 60.838860][ T34] ? ret_from_fork_asm+0x1a/0x30 [ 60.843796][ T34] __warn+0x346/0x4e0 [ 60.847792][ T34] ? hfs_bnode_create+0x3b6/0x440 [ 60.852820][ T34] report_bug+0x2b3/0x500 [ 60.857147][ T34] ? hfs_bnode_create+0x3b6/0x440 [ 60.862173][ T34] handle_bug+0x3e/0x70 [ 60.866338][ T34] exc_invalid_op+0x1a/0x50 [ 60.870843][ T34] asm_exc_invalid_op+0x1a/0x20 [ 60.875690][ T34] RIP: 0010:hfs_bnode_create+0x3b6/0x440 [ 60.881319][ T34] Code: 44 89 e6 e8 5c f1 f5 08 e9 78 fd ff ff e8 f2 79 17 ff 4c 89 ff e8 3a be 03 09 48 c7 c7 20 4b e1 8b 44 89 e6 e8 3b f1 f5 08 90 <0f> 0b 90 eb af 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 83 fc ff ff 48 [ 60.900920][ T34] RSP: 0018:ffffc90000aa6c58 EFLAGS: 00010246 [ 60.907004][ T34] RAX: 000000000000001f RBX: ffff888018e96400 RCX: 723cfab6a6b28a00 [ 60.914971][ T34] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 60.922937][ T34] RBP: 0000000000000000 R08: ffffffff8176b74c R09: 1ffff92000154d2c [ 60.930904][ T34] R10: dffffc0000000000 R11: fffff52000154d2d R12: 0000000000000000 [ 60.938872][ T34] R13: dffffc0000000000 R14: ffff888024358000 R15: ffff8880243580e0 [ 60.946846][ T34] ? __wake_up_klogd+0xcc/0x110 [ 60.951733][ T34] ? hfs_bnode_create+0x3b5/0x440 [ 60.956755][ T34] hfs_bmap_alloc+0x5a6/0x650 [ 60.961433][ T34] ? __pfx_hfs_bmap_alloc+0x10/0x10 [ 60.966630][ T34] hfs_btree_inc_height+0x11e/0xd20 [ 60.971824][ T34] ? hfs_brec_insert+0x6e0/0xbd0 [ 60.976757][ T34] ? __pfx_hfs_btree_inc_height+0x10/0x10 [ 60.982473][ T34] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.987669][ T34] ? hfs_bnode_put+0x1c4/0x380 [ 60.992439][ T34] hfs_brec_insert+0x723/0xbd0 [ 60.997216][ T34] ? __pfx_hfs_brec_insert+0x10/0x10 [ 61.002500][ T34] __hfs_ext_write_extent+0x2f2/0x4f0 [ 61.007870][ T34] hfs_ext_write_extent+0x154/0x1d0 [ 61.013063][ T34] ? __pfx_hfs_ext_write_extent+0x10/0x10 [ 61.018787][ T34] hfs_write_inode+0xbc/0xec0 [ 61.023461][ T34] ? __pfx_hfs_write_inode+0x10/0x10 [ 61.028749][ T34] ? __writeback_single_inode+0x4d1/0x10b0 [ 61.034563][ T34] ? do_raw_spin_unlock+0x13c/0x8b0 [ 61.039770][ T34] __writeback_single_inode+0x6b9/0x10b0 [ 61.045410][ T34] writeback_sb_inodes+0x905/0x1260 [ 61.050634][ T34] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 61.056262][ T34] ? do_raw_spin_lock+0x14f/0x370 [ 61.061288][ T34] ? __lock_acquire+0x1346/0x1fd0 [ 61.066335][ T34] ? rcu_is_watching+0x15/0xb0 [ 61.071095][ T34] ? queue_io+0x3d9/0x5a0 [ 61.075429][ T34] wb_writeback+0x457/0xce0 [ 61.079942][ T34] ? __pfx_wb_writeback+0x10/0x10 [ 61.084967][ T34] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 61.090977][ T34] wb_workfn+0x410/0x1090 [ 61.095347][ T34] ? __pfx_wb_workfn+0x10/0x10 [ 61.100124][ T34] ? __pfx_lock_acquire+0x10/0x10 [ 61.105147][ T34] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 61.111133][ T34] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.117471][ T34] ? process_scheduled_works+0x91b/0x17c0 [ 61.123192][ T34] process_scheduled_works+0xa10/0x17c0 [ 61.128774][ T34] ? __pfx_process_scheduled_works+0x10/0x10 [ 61.134766][ T34] ? assign_work+0x364/0x3d0 [ 61.139359][ T34] worker_thread+0x86d/0xd70 [ 61.143953][ T34] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 61.149867][ T34] ? __kthread_parkme+0x169/0x1d0 [ 61.154900][ T34] ? __pfx_worker_thread+0x10/0x10 [ 61.160009][ T34] kthread+0x2f0/0x390 [ 61.164101][ T34] ? __pfx_worker_thread+0x10/0x10 [ 61.169221][ T34] ? __pfx_kthread+0x10/0x10 [ 61.173815][ T34] ret_from_fork+0x4b/0x80 [ 61.178241][ T34] ? __pfx_kthread+0x10/0x10 [ 61.182832][ T34] ret_from_fork_asm+0x1a/0x30 [ 61.187607][ T34] [ 61.191149][ T34] Kernel Offset: disabled [ 61.195509][ T34] Rebooting in 86400 seconds..