[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.379794] ====================================================== [ 35.379794] WARNING: the mand mount option is being deprecated and [ 35.379794] will be removed in v5.15! [ 35.379794] ====================================================== [ 35.414755] hfsplus: new node 0 already hashed? [ 35.419521] ------------[ cut here ]------------ [ 35.425557] WARNING: CPU: 0 PID: 8104 at fs/hfsplus/bnode.c:584 hfsplus_bnode_create.cold+0x27/0x4e [ 35.434744] Kernel panic - not syncing: panic_on_warn set ... [ 35.434744] [ 35.442110] CPU: 0 PID: 8104 Comm: syz-executor298 Not tainted 4.19.211-syzkaller #0 [ 35.449980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 35.459402] Call Trace: [ 35.461986] dump_stack+0x1fc/0x2ef [ 35.465597] panic+0x26a/0x50e [ 35.468770] ? __warn_printk+0xf3/0xf3 [ 35.472651] ? hfsplus_bnode_create.cold+0x27/0x4e [ 35.477566] ? __probe_kernel_read+0x130/0x1b0 [ 35.482127] ? __warn.cold+0x5/0x5a [ 35.485733] ? __warn+0xe4/0x200 [ 35.489077] ? hfsplus_bnode_create.cold+0x27/0x4e [ 35.493985] __warn.cold+0x20/0x5a [ 35.497503] ? io_schedule_timeout+0x140/0x140 [ 35.502065] ? hfsplus_bnode_create.cold+0x27/0x4e [ 35.506974] report_bug+0x262/0x2b0 [ 35.510585] do_error_trap+0x1d7/0x310 [ 35.514457] ? math_error+0x310/0x310 [ 35.518241] ? __irq_work_queue_local+0x101/0x160 [ 35.523063] ? irq_work_queue+0x29/0x80 [ 35.527020] ? error_entry+0x72/0xd0 [ 35.530714] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.535712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.540535] invalid_op+0x14/0x20 [ 35.543968] RIP: 0010:hfsplus_bnode_create.cold+0x27/0x4e [ 35.549485] Code: b3 05 fa e8 8b 3f 6c f9 4c 89 ef e8 13 0a 23 00 89 ee 48 c7 c7 20 85 7d 88 e8 e0 70 fd ff 48 c7 c7 80 85 7d 88 e8 d4 70 fd ff <0f> 0b e9 47 c6 05 fa e8 5d 3f 6c f9 89 ee 48 c7 c7 c0 82 7d 88 e8 [ 35.568369] RSP: 0018:ffff8880b2bdf208 EFLAGS: 00010286 [ 35.573709] RAX: 0000000000000024 RBX: dffffc0000000000 RCX: 0000000000000000 [ 35.580958] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed101657be33 [ 35.588207] RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 [ 35.595458] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880aa18b400 [ 35.602708] R13: ffff8880b2a86cd0 R14: ffff8880b2a86c00 R15: 0000000000000000 [ 35.609970] ? vprintk_func+0x81/0x180 [ 35.613860] ? hfsplus_bnode_create.cold+0x27/0x4e [ 35.618774] hfsplus_bmap_alloc+0x70b/0x800 [ 35.623086] ? hfsplus_bmap_reserve+0x440/0x440 [ 35.627751] ? __kmalloc+0x15a/0x3c0 [ 35.631446] ? hfsplus_find_init+0x91/0x220 [ 35.635746] ? hfsplus_ext_read_extent+0x186/0xab0 [ 35.640671] ? hfsplus_file_extend+0x672/0xf40 [ 35.645238] ? __block_write_begin_int+0x46c/0x17b0 [ 35.650232] ? block_write_begin+0x58/0x2e0 [ 35.654533] ? cont_write_begin+0x55a/0x820 [ 35.658835] ? hfsplus_write_begin+0x87/0x150 [ 35.663309] ? generic_perform_write+0x1f8/0x4d0 [ 35.668046] hfs_btree_inc_height.isra.0+0xe6/0x9e0 [ 35.673043] ? lock_acquire+0x170/0x3c0 [ 35.676994] ? hfs_bnode_split+0xda0/0xda0 [ 35.681476] ? __mutex_lock+0x368/0x1190 [ 35.685548] hfsplus_brec_insert+0x9e1/0xc20 [ 35.689938] ? mutex_trylock+0x1a0/0x1a0 [ 35.693981] ? hfsplus_brec_find+0x406/0x500 [ 35.698370] ? hfsplus_brec_keylen+0x320/0x320 [ 35.702945] ? hfsplus_bmap_reserve+0x2b2/0x440 [ 35.707594] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.712596] __hfsplus_ext_write_extent+0x489/0x5a0 [ 35.717599] hfsplus_ext_read_extent+0x910/0xab0 [ 35.722337] ? __hfsplus_ext_write_extent+0x5a0/0x5a0 [ 35.727509] ? hfsplus_get_block+0x3d4/0x960 [ 35.731906] hfsplus_file_extend+0x672/0xf40 [ 35.736301] ? hfsplus_free_fork+0x7e0/0x7e0 [ 35.740694] ? check_preemption_disabled+0x41/0x280 [ 35.745691] ? end_buffer_write_sync+0x110/0x110 [ 35.750477] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.755481] ? __mark_inode_dirty+0x23f/0x1140 [ 35.760048] hfsplus_get_block+0x196/0x960 [ 35.764267] __block_write_begin_int+0x46c/0x17b0 [ 35.769091] ? hfsplus_file_extend+0xf40/0xf40 [ 35.773656] ? __breadahead_gfp+0x130/0x130 [ 35.777962] ? wait_for_stable_page+0x122/0x360 [ 35.782612] ? hfsplus_file_extend+0xf40/0xf40 [ 35.787176] block_write_begin+0x58/0x2e0 [ 35.791394] cont_write_begin+0x55a/0x820 [ 35.795543] ? check_preemption_disabled+0x41/0x280 [ 35.800540] ? lock_downgrade+0x720/0x720 [ 35.804754] ? hfsplus_file_extend+0xf40/0xf40 [ 35.809315] ? check_preemption_disabled+0x41/0x280 [ 35.814316] ? block_write_begin+0x2e0/0x2e0 [ 35.818706] ? balance_dirty_pages_ratelimited+0x684/0x1df0 [ 35.824400] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.829393] ? iov_iter_fault_in_readable+0x1fc/0x3f0 [ 35.834565] hfsplus_write_begin+0x87/0x150 [ 35.838870] ? hfsplus_file_extend+0xf40/0xf40 [ 35.843434] generic_perform_write+0x1f8/0x4d0 [ 35.848003] ? filemap_page_mkwrite+0x2f0/0x2f0 [ 35.852651] ? current_time+0x1c0/0x1c0 [ 35.856607] ? lock_acquire+0x170/0x3c0 [ 35.860581] __generic_file_write_iter+0x24b/0x610 [ 35.865493] generic_file_write_iter+0x3f8/0x730 [ 35.870233] __vfs_write+0x51b/0x770 [ 35.873929] ? kernel_read+0x110/0x110 [ 35.877802] ? check_preemption_disabled+0x41/0x280 [ 35.882808] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.887809] vfs_write+0x1f3/0x540 [ 35.891330] ksys_write+0x12b/0x2a0 [ 35.894940] ? __ia32_sys_read+0xb0/0xb0 [ 35.898984] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.903981] ? do_syscall_64+0x21/0x620 [ 35.907935] do_syscall_64+0xf9/0x620 [ 35.911719] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.916892] RIP: 0033:0x7f28829ea7b9 [ 35.920587] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.939483] RSP: 002b:00007ffd7e889758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.947168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28829ea7b9 [ 35.954521] RDX: 00000000fffffdef RSI: 0000000020000040 RDI: 0000000000000004 [ 35.961772] RBP: 00007f28829aa050 R08: 0000000000000000 R09: 0000000000000000 [ 35.969019] R10: 000000000000061e R11: 0000000000000246 R12: 00007f28829aa0e0 [ 35.976266] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.983818] Kernel Offset: disabled [ 35.987469] Rebooting in 86400 seconds..