[ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.109' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.341559] erofs: read_super, device -> /dev/loop0 [ 32.347043] erofs: options -> [ 32.361415] ------------[ cut here ]------------ [ 32.366183] kernel BUG at drivers/staging/erofs/xattr.c:186! [ 32.378899] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 32.384295] CPU: 1 PID: 8095 Comm: syz-executor207 Not tainted 4.19.211-syzkaller #0 [ 32.392152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 32.401494] RIP: 0010:inline_xattr_iter_begin+0x3c4/0x4a0 [ 32.407011] Code: 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 16 01 28 fb 44 89 ee 89 ef 41 bc c3 ff ff ff e8 f6 01 28 fb 44 39 ed 73 cf e8 fc 00 28 fb <0f> 0b e8 f5 00 28 fb 41 89 ec eb be e8 4b dd 5d fb e9 b9 fc ff ff [ 32.425891] RSP: 0018:ffff88809530fc88 EFLAGS: 00010293 [ 32.431229] RAX: ffff8880b0f3e100 RBX: ffff88808a83d958 RCX: ffffffff863a846a [ 32.438478] RDX: 0000000000000000 RSI: ffffffff863a8474 RDI: 0000000000000004 [ 32.445724] RBP: 000000000000002c R08: 0000000000000001 R09: 000000000000002c [ 32.452972] R10: 0000000000000004 R11: 0000000000000000 R12: 00000000ffffffc3 [ 32.460217] R13: 0000000000000408 R14: ffff88808a83d942 R15: ffff88809824f800 [ 32.467466] FS: 00005555569a7300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 32.475671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.481527] CR2: 00005606c3be90d0 CR3: 000000009fd24000 CR4: 00000000003406e0 [ 32.488774] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.496032] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.503282] Call Trace: [ 32.505852] erofs_listxattr+0x147/0xf10 [ 32.509895] ? lock_acquire+0x170/0x3c0 [ 32.513850] ? erofs_xattr_generic_get+0x1e0/0x1e0 [ 32.518757] ? __kmalloc_node+0x38/0x70 [ 32.522712] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.527712] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 32.533313] ? erofs_xattr_generic_get+0x1e0/0x1e0 [ 32.538219] vfs_listxattr+0x105/0x190 [ 32.542088] listxattr+0x70/0x140 [ 32.545525] path_listxattr+0xae/0x140 [ 32.549430] ? __se_sys_flistxattr+0x160/0x160 [ 32.553990] ? trace_hardirqs_off_caller+0x6e/0x210 [ 32.558983] ? do_syscall_64+0x21/0x620 [ 32.562934] do_syscall_64+0xf9/0x620 [ 32.566713] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.571880] RIP: 0033:0x7fa820a05789 [ 32.575575] 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 [ 32.594480] RSP: 002b:00007ffd86daaa18 EFLAGS: 00000246 ORIG_RAX: 00000000000000c3 [ 32.602166] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fa820a05789 [ 32.609411] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000020000040 [ 32.616657] RBP: 00007fa8209c5020 R08: 00000000000001a9 R09: 0000000000000000 [ 32.623925] R10: 00007ffd86daa8e0 R11: 0000000000000246 R12: 00007fa8209c50b0 [ 32.631171] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 32.638425] Modules linked in: [ 32.642484] ---[ end trace cd3a95c7a0b887a3 ]--- [ 32.647277] RIP: 0010:inline_xattr_iter_begin+0x3c4/0x4a0 [ 32.652822] Code: 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 16 01 28 fb 44 89 ee 89 ef 41 bc c3 ff ff ff e8 f6 01 28 fb 44 39 ed 73 cf e8 fc 00 28 fb <0f> 0b e8 f5 00 28 fb 41 89 ec eb be e8 4b dd 5d fb e9 b9 fc ff ff [ 32.672020] RSP: 0018:ffff88809530fc88 EFLAGS: 00010293 [ 32.677411] RAX: ffff8880b0f3e100 RBX: ffff88808a83d958 RCX: ffffffff863a846a [ 32.684676] RDX: 0000000000000000 RSI: ffffffff863a8474 RDI: 0000000000000004 [ 32.691981] RBP: 000000000000002c R08: 0000000000000001 R09: 000000000000002c [ 32.699389] R10: 0000000000000004 R11: 0000000000000000 R12: 00000000ffffffc3 [ 32.706723] R13: 0000000000000408 R14: ffff88808a83d942 R15: ffff88809824f800 [ 32.713982] FS: 00005555569a7300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 32.722231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.728196] CR2: 00005606c3be90d0 CR3: 000000009fd24000 CR4: 00000000003406e0 [ 32.735456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.742745] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.750051] Kernel panic - not syncing: Fatal exception [ 32.755721] Kernel Offset: disabled [ 32.759333] Rebooting in 86400 seconds..