[ 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 '10.128.0.101' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.641194] ====================================================== [ 37.641194] WARNING: the mand mount option is being deprecated and [ 37.641194] will be removed in v5.15! [ 37.641194] ====================================================== [ 37.673199] BUG: unable to handle kernel paging request at fffffffffffffffb [ 37.680332] IP: hfsplus_bnode_put+0x43/0x3e0 [ 37.684730] PGD 8e6b067 P4D 8e6b067 PUD 8e6d067 PMD 0 [ 37.689988] Oops: 0000 [#1] PREEMPT SMP KASAN [ 37.694468] Modules linked in: [ 37.697654] CPU: 0 PID: 7974 Comm: syz-executor506 Not tainted 4.14.301-syzkaller #0 [ 37.705516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 37.714852] task: ffff8880ae7ee2c0 task.stack: ffff8880a3600000 [ 37.720896] RIP: 0010:hfsplus_bnode_put+0x43/0x3e0 [ 37.725800] RSP: 0018:ffff8880a36073c8 EFLAGS: 00010246 [ 37.731138] RAX: dffffc0000000000 RBX: ffff8880a3607500 RCX: 0000000000000000 [ 37.738382] RDX: 1fffffffffffffff RSI: ffffffff81d3ff40 RDI: fffffffffffffffb [ 37.745622] RBP: fffffffffffffffb R08: 0000000000000001 R09: 0000000000000001 [ 37.752880] R10: 0000000000000000 R11: ffff8880ae7ee2c0 R12: ffff8880afac078c [ 37.760120] R13: 0000000000000073 R14: ffff8880b2e1d290 R15: ffff8880a3607500 [ 37.767366] FS: 0000555556c79300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 37.775564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.781416] CR2: fffffffffffffffb CR3: 00000000b3249000 CR4: 00000000003406f0 [ 37.788658] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.795899] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.803140] Call Trace: [ 37.805707] hfsplus_brec_find+0xb6/0x460 [ 37.809832] ? hfsplus_brec_keylen+0x2c0/0x2c0 [ 37.814390] ? hfsplus_brec_remove+0x480/0x480 [ 37.818943] ? __hfsplus_brec_find+0x3f0/0x3f0 [ 37.823494] ? __hfsplus_ext_write_extent+0x2c2/0x560 [ 37.828654] hfsplus_ext_read_extent+0x441/0x9e0 [ 37.833383] ? __hfsplus_ext_write_extent+0x560/0x560 [ 37.838546] ? find_get_entries+0x870/0x870 [ 37.842845] ? hfsplus_get_block+0x1f9/0x820 [ 37.847226] hfsplus_file_extend+0x616/0xef0 [ 37.851608] ? clean_bdev_aliases+0x40d/0x510 [ 37.856076] ? hfsplus_free_fork+0x720/0x720 [ 37.860459] ? invalidate_bh_lru+0x150/0x150 [ 37.864840] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.869833] hfsplus_get_block+0x15b/0x820 [ 37.874048] __block_write_begin_int+0x35c/0x11d0 [ 37.878882] ? hfsplus_file_extend+0xef0/0xef0 [ 37.883447] ? __breadahead_gfp+0x150/0x150 [ 37.887747] ? wait_for_stable_page+0xe3/0x260 [ 37.892310] ? hfsplus_file_extend+0xef0/0xef0 [ 37.896955] block_write_begin+0x58/0x270 [ 37.901079] cont_write_begin+0x4a3/0x740 [ 37.905200] ? block_write_begin+0x270/0x270 [ 37.909590] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.914587] ? iov_iter_fault_in_readable+0x1b9/0x360 [ 37.919854] hfsplus_write_begin+0x87/0x130 [ 37.924147] ? hfsplus_file_extend+0xef0/0xef0 [ 37.928705] generic_perform_write+0x1d5/0x430 [ 37.933261] ? filemap_page_mkwrite+0x2d0/0x2d0 [ 37.937904] ? current_time+0xb0/0xb0 [ 37.941697] ? lock_acquire+0x170/0x3f0 [ 37.945656] __generic_file_write_iter+0x227/0x590 [ 37.950565] generic_file_write_iter+0x36f/0x650 [ 37.955296] do_iter_readv_writev+0x4cf/0x5f0 [ 37.959765] ? clone_verify_area+0x1e0/0x1e0 [ 37.964172] ? rw_verify_area+0xe1/0x2a0 [ 37.968205] do_iter_write+0x152/0x550 [ 37.972070] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.977501] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.982489] vfs_writev+0x125/0x290 [ 37.986090] ? vfs_iter_write+0xa0/0xa0 [ 37.990062] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.995065] ? __fd_install+0x227/0x5c0 [ 37.999013] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 38.004435] ? putname+0xcd/0x110 [ 38.007881] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.012879] ? kmem_cache_free+0x23a/0x2b0 [ 38.017124] ? putname+0xcd/0x110 [ 38.020569] SyS_pwritev2+0x195/0x230 [ 38.024347] ? SyS_pwritev+0x200/0x200 [ 38.028209] ? do_syscall_64+0x4c/0x640 [ 38.032186] ? SyS_pwritev+0x200/0x200 [ 38.036044] do_syscall_64+0x1d5/0x640 [ 38.039907] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 38.045066] RIP: 0033:0x7f8a5d6ac7e9 [ 38.048749] RSP: 002b:00007ffe1fac50c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 38.056430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a5d6ac7e9 [ 38.063672] RDX: 0000000000000001 RSI: 0000000020000680 RDI: 0000000000000004 [ 38.070912] RBP: 00007f8a5d66c080 R08: 0000000000000000 R09: 0000000000000000 [ 38.078154] R10: 0000000000007400 R11: 0000000000000246 R12: 00007f8a5d66c110 [ 38.085400] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 38.092645] Code: ed 0f 84 71 01 00 00 e8 8c a6 81 ff 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 2f 03 00 00 4c 8d 6d 78 <4c> 8b 65 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 [ 38.111711] RIP: hfsplus_bnode_put+0x43/0x3e0 RSP: ffff8880a36073c8 [ 38.118085] CR2: fffffffffffffffb [ 38.121513] ---[ end trace 15852e66c3f87f05 ]--- [ 38.126238] Kernel panic - not syncing: Fatal exception [ 38.131726] Kernel Offset: disabled [ 38.135328] Rebooting in 86400 seconds..