[ 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 '10.128.15.211' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.049079] ====================================================== [ 35.049079] WARNING: the mand mount option is being deprecated and [ 35.049079] will be removed in v5.15! [ 35.049079] ====================================================== [ 35.074980] kasan: CONFIG_KASAN_INLINE enabled [ 35.079610] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.087030] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 35.093251] CPU: 1 PID: 8078 Comm: syz-executor184 Not tainted 4.19.211-syzkaller #0 [ 35.101132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 35.110470] RIP: 0010:hfs_find_init+0x70/0x230 [ 35.115038] Code: c1 ea 03 80 3c 02 00 0f 85 bc 01 00 00 4c 8d 6b 40 48 c7 45 18 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 6b 01 00 00 8b 43 40 be c0 00 [ 35.133928] RSP: 0018:ffff8880aee0f530 EFLAGS: 00010202 [ 35.139274] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81fe0980 [ 35.146517] RDX: 0000000000000008 RSI: ffffffff81fd1c41 RDI: ffff8880aee0f5b0 [ 35.153760] RBP: ffff8880aee0f598 R08: 0000000000000000 R09: 0000000000000004 [ 35.161006] R10: 0000000000000004 R11: 0000000000074071 R12: ffff8880b1642a40 [ 35.168254] R13: 0000000000000040 R14: ffff8880b2f3d772 R15: ffff8880aee0f598 [ 35.175501] FS: 0000555556a0b300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 35.183705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.189563] CR2: 00007ffcf9a4d000 CR3: 00000000af4bb000 CR4: 00000000003406e0 [ 35.196812] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.204056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.211301] Call Trace: [ 35.213878] hfs_ext_read_extent+0x191/0xa20 [ 35.218271] ? __hfs_ext_write_extent+0x510/0x510 [ 35.223090] ? create_page_buffers+0x212/0x350 [ 35.227648] ? alloc_page_buffers+0x2da/0x5c0 [ 35.232119] ? lock_downgrade+0x720/0x720 [ 35.236241] ? do_raw_spin_lock+0xcb/0x220 [ 35.240454] hfs_get_block+0x53d/0x7e0 [ 35.244320] block_read_full_page+0x288/0xd10 [ 35.248791] ? hfs_extend_file+0xac0/0xac0 [ 35.253000] ? __bread_gfp+0x300/0x300 [ 35.256864] ? add_to_page_cache_locked+0x40/0x40 [ 35.261687] do_read_cache_page+0x533/0x1170 [ 35.266072] ? hfs_bmap+0x30/0x30 [ 35.269500] hfs_btree_open+0x6ae/0x1430 [ 35.273539] hfs_mdb_get+0x1402/0x1cf0 [ 35.277412] ? hfs_mdb_put+0x370/0x370 [ 35.281279] ? lock_acquire+0x170/0x3c0 [ 35.285229] ? find_nls+0x1c/0x160 [ 35.288745] ? __lockdep_init_map+0x100/0x5a0 [ 35.293215] ? __lockdep_init_map+0x100/0x5a0 [ 35.297689] hfs_fill_super+0xd6a/0x1310 [ 35.301730] ? hfs_alloc_inode+0x40/0x40 [ 35.305768] ? vsnprintf+0x2cc/0x14f0 [ 35.309545] ? pointer+0x850/0x850 [ 35.313064] ? lock_downgrade+0x720/0x720 [ 35.317192] ? snprintf+0xbb/0xf0 [ 35.320619] ? vsprintf+0x30/0x30 [ 35.324050] ? wait_for_completion_io+0x10/0x10 [ 35.328697] ? set_blocksize+0x163/0x3f0 [ 35.332734] mount_bdev+0x2fc/0x3b0 [ 35.336337] ? hfs_alloc_inode+0x40/0x40 [ 35.340372] mount_fs+0xa3/0x310 [ 35.343718] vfs_kern_mount.part.0+0x68/0x470 [ 35.348188] do_mount+0x115c/0x2f50 [ 35.351793] ? cmp_ex_sort+0xc0/0xc0 [ 35.355486] ? __do_page_fault+0x180/0xd60 [ 35.359698] ? copy_mount_string+0x40/0x40 [ 35.363908] ? copy_mount_options+0x1cd/0x380 [ 35.368380] ? memset+0x20/0x40 [ 35.371635] ? copy_mount_options+0x26f/0x380 [ 35.376105] ksys_mount+0xcf/0x130 [ 35.379622] __x64_sys_mount+0xba/0x150 [ 35.383574] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.388133] do_syscall_64+0xf9/0x620 [ 35.391913] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.397080] RIP: 0033:0x7f57a8e30b1a [ 35.400770] Code: 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 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.419644] RSP: 002b:00007ffcf9a4c4a8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 35.427326] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f57a8e30b1a [ 35.434569] RDX: 0000000020000080 RSI: 0000000020000280 RDI: 00007ffcf9a4c4b0 [ 35.441814] RBP: 00007ffcf9a4c4b0 R08: 00007ffcf9a4c4f0 R09: 0000000000000255 [ 35.449058] R10: 00000000010184c9 R11: 0000000000000286 R12: 0000000000000004 [ 35.456303] R13: 0000555556a0b2c0 R14: 00007ffcf9a4c4f0 R15: 0000000000000000 [ 35.463552] Modules linked in: [ 35.467044] ---[ end trace ad09a926451e2b94 ]--- [ 35.471806] RIP: 0010:hfs_find_init+0x70/0x230 [ 35.476433] Code: c1 ea 03 80 3c 02 00 0f 85 bc 01 00 00 4c 8d 6b 40 48 c7 45 18 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 6b 01 00 00 8b 43 40 be c0 00 [ 35.495407] RSP: 0018:ffff8880aee0f530 EFLAGS: 00010202 [ 35.500755] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81fe0980 [ 35.508051] RDX: 0000000000000008 RSI: ffffffff81fd1c41 RDI: ffff8880aee0f5b0 [ 35.515363] RBP: ffff8880aee0f598 R08: 0000000000000000 R09: 0000000000000004 [ 35.522613] R10: 0000000000000004 R11: 0000000000074071 R12: ffff8880b1642a40 [ 35.529899] R13: 0000000000000040 R14: ffff8880b2f3d772 R15: ffff8880aee0f598 [ 35.537215] FS: 0000555556a0b300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 35.545585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.551476] CR2: 00007ffcf9a4d000 CR3: 00000000af4bb000 CR4: 00000000003406e0 [ 35.558774] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.566083] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.573335] Kernel panic - not syncing: Fatal exception [ 35.578842] Kernel Offset: disabled [ 35.582452] Rebooting in 86400 seconds..