[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.175' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 57.700044][ T8479] loop0: detected capacity change from 512 to 0 [ 57.727524][ T8479] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 57.738291][ T8479] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038 (0x7fffffff) [ 57.750957][ T8479] ------------[ cut here ]------------ [ 57.756613][ T8479] WARNING: CPU: 0 PID: 8479 at fs/ext4/xattr.c:1640 ext4_xattr_set_entry+0x29f5/0x37b0 [ 57.766764][ T8479] Modules linked in: [ 57.770792][ T8479] CPU: 0 PID: 8479 Comm: syz-executor006 Not tainted 5.11.0-rc1-syzkaller #0 [ 57.779651][ T8479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.789830][ T8479] RIP: 0010:ext4_xattr_set_entry+0x29f5/0x37b0 [ 57.796363][ T8479] Code: 00 e9 dc da ff ff e8 6a 52 5b ff 48 8b 7c 24 10 45 31 ff e8 ad 29 cd ff 4c 8b b4 24 20 01 00 00 e9 bd da ff ff e8 4b 52 5b ff <0f> 0b e9 8f e6 ff ff e8 3f 52 5b ff 48 8b 54 24 48 31 f6 4c 89 e7 [ 57.816802][ T8479] RSP: 0018:ffffc9000164f3a0 EFLAGS: 00010293 [ 57.823026][ T8479] RAX: 0000000000000000 RBX: ffff888012286020 RCX: 0000000000000000 [ 57.831687][ T8479] RDX: ffff888020538000 RSI: ffffffff82172245 RDI: 0000000000000003 [ 57.839774][ T8479] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.847971][ T8479] R10: ffffffff821708d2 R11: 0000000000000000 R12: 00000000000003dc [ 57.856956][ T8479] R13: 00000000ffffffc3 R14: ffffc9000164f818 R15: 0000000000000001 [ 57.865438][ T8479] FS: 0000000001044880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 57.874886][ T8479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.882065][ T8479] CR2: 0000559d041583f8 CR3: 000000001c4ad000 CR4: 0000000000350ef0 [ 57.890249][ T8479] Call Trace: [ 57.893548][ T8479] ? find_held_lock+0x2d/0x110 [ 57.898329][ T8479] ? ext4_xattr_block_find+0x690/0x690 [ 57.904315][ T8479] ? fs_reclaim_acquire+0xb2/0x150 [ 57.909586][ T8479] ? unpoison_range+0x3a/0x60 [ 57.914282][ T8479] ext4_xattr_block_set+0x837/0x2f30 [ 57.919654][ T8479] ? ext4_da_get_block_prep+0x1180/0x1180 [ 57.925397][ T8479] ? ext4_xattr_ibody_set+0x2b0/0x2b0 [ 57.930860][ T8479] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 57.936593][ T8479] ? errseq_check+0x4b/0x80 [ 57.941165][ T8479] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 57.947529][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 57.953903][ T8479] ? ext4_xattr_block_find+0x5c/0x690 [ 57.959360][ T8479] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 57.965631][ T8479] ext4_xattr_set_handle+0xcb6/0x1260 [ 57.971204][ T8479] ? ext4_xattr_ibody_inline_set+0x2b0/0x2b0 [ 57.977212][ T8479] ? is_bpf_text_address+0xcb/0x160 [ 57.982617][ T8479] ? create_prof_cpu_mask+0x20/0x20 [ 57.987848][ T8479] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 57.994236][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 58.000562][ T8479] ? ext4_journal_check_start+0x1ae/0x2a0 [ 58.006292][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 58.012661][ T8479] ext4_xattr_set+0x13a/0x340 [ 58.017445][ T8479] ? ext4_xattr_set_credits+0x200/0x200 [ 58.023081][ T8479] ? __sanitizer_cov_trace_cmp1+0x22/0x80 [ 58.028941][ T8479] ? xattr_resolve_name+0x26e/0x3d0 [ 58.034190][ T8479] ? ext4_xattr_hurd_get+0xf0/0xf0 [ 58.039383][ T8479] __vfs_setxattr+0x10e/0x170 [ 58.044083][ T8479] ? xattr_resolve_name+0x3d0/0x3d0 [ 58.049383][ T8479] ? evm_protect_xattr.constprop.0+0x95/0x3c0 [ 58.055471][ T8479] __vfs_setxattr_noperm+0x11a/0x4c0 [ 58.060837][ T8479] __vfs_setxattr_locked+0x1bf/0x250 [ 58.066165][ T8479] ? __might_fault+0xd3/0x180 [ 58.070972][ T8479] vfs_setxattr+0x135/0x320 [ 58.075499][ T8479] ? __vfs_setxattr_locked+0x250/0x250 [ 58.081057][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 58.087330][ T8479] ? strncpy_from_user+0x2a0/0x3e0 [ 58.092572][ T8479] setxattr+0x1ff/0x290 [ 58.096740][ T8479] ? vfs_setxattr+0x320/0x320 [ 58.101504][ T8479] ? lock_release+0x710/0x710 [ 58.106204][ T8479] ? preempt_count_add+0x74/0x140 [ 58.111357][ T8479] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 58.117629][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 58.123985][ T8479] ? __mnt_want_write+0x1bc/0x2a0 [ 58.129185][ T8479] path_setxattr+0x170/0x190 [ 58.133779][ T8479] ? setxattr+0x290/0x290 [ 58.138103][ T8479] __x64_sys_lsetxattr+0xbd/0x150 [ 58.143206][ T8479] ? syscall_enter_from_user_mode+0x1d/0x50 [ 58.149272][ T8479] do_syscall_64+0x2d/0x70 [ 58.153793][ T8479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.159742][ T8479] RIP: 0033:0x4445a9 [ 58.163642][ T8479] Code: 8d d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 5b d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.183477][ T8479] RSP: 002b:00007ffc699e74a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 58.192091][ T8479] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004445a9 [ 58.202044][ T8479] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000140 [ 58.210286][ T8479] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 [ 58.218287][ T8479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402190 [ 58.226460][ T8479] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000 [ 58.234562][ T8479] Kernel panic - not syncing: panic_on_warn set ... [ 58.241132][ T8479] CPU: 0 PID: 8479 Comm: syz-executor006 Not tainted 5.11.0-rc1-syzkaller #0 [ 58.249872][ T8479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.260002][ T8479] Call Trace: [ 58.263288][ T8479] dump_stack+0x107/0x163 [ 58.267612][ T8479] panic+0x306/0x73d [ 58.271522][ T8479] ? __warn_printk+0xf3/0xf3 [ 58.276127][ T8479] ? __warn.cold+0x1a/0x44 [ 58.280537][ T8479] ? ext4_xattr_set_entry+0x29f5/0x37b0 [ 58.286092][ T8479] __warn.cold+0x35/0x44 [ 58.290331][ T8479] ? ext4_xattr_set_entry+0x29f5/0x37b0 [ 58.295872][ T8479] report_bug+0x1bd/0x210 [ 58.300202][ T8479] handle_bug+0x3c/0x60 [ 58.304347][ T8479] exc_invalid_op+0x14/0x40 [ 58.308835][ T8479] asm_exc_invalid_op+0x12/0x20 [ 58.313676][ T8479] RIP: 0010:ext4_xattr_set_entry+0x29f5/0x37b0 [ 58.319825][ T8479] Code: 00 e9 dc da ff ff e8 6a 52 5b ff 48 8b 7c 24 10 45 31 ff e8 ad 29 cd ff 4c 8b b4 24 20 01 00 00 e9 bd da ff ff e8 4b 52 5b ff <0f> 0b e9 8f e6 ff ff e8 3f 52 5b ff 48 8b 54 24 48 31 f6 4c 89 e7 [ 58.339425][ T8479] RSP: 0018:ffffc9000164f3a0 EFLAGS: 00010293 [ 58.345487][ T8479] RAX: 0000000000000000 RBX: ffff888012286020 RCX: 0000000000000000 [ 58.353469][ T8479] RDX: ffff888020538000 RSI: ffffffff82172245 RDI: 0000000000000003 [ 58.361628][ T8479] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.369608][ T8479] R10: ffffffff821708d2 R11: 0000000000000000 R12: 00000000000003dc [ 58.377586][ T8479] R13: 00000000ffffffc3 R14: ffffc9000164f818 R15: 0000000000000001 [ 58.385558][ T8479] ? ext4_xattr_set_entry+0x1082/0x37b0 [ 58.391121][ T8479] ? ext4_xattr_set_entry+0x29f5/0x37b0 [ 58.396845][ T8479] ? find_held_lock+0x2d/0x110 [ 58.401600][ T8479] ? ext4_xattr_block_find+0x690/0x690 [ 58.407054][ T8479] ? fs_reclaim_acquire+0xb2/0x150 [ 58.412170][ T8479] ? unpoison_range+0x3a/0x60 [ 58.416848][ T8479] ext4_xattr_block_set+0x837/0x2f30 [ 58.422147][ T8479] ? ext4_da_get_block_prep+0x1180/0x1180 [ 58.427868][ T8479] ? ext4_xattr_ibody_set+0x2b0/0x2b0 [ 58.433333][ T8479] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 58.439065][ T8479] ? errseq_check+0x4b/0x80 [ 58.443576][ T8479] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 58.449978][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 58.456205][ T8479] ? ext4_xattr_block_find+0x5c/0x690 [ 58.461560][ T8479] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 58.468050][ T8479] ext4_xattr_set_handle+0xcb6/0x1260 [ 58.473443][ T8479] ? ext4_xattr_ibody_inline_set+0x2b0/0x2b0 [ 58.479423][ T8479] ? is_bpf_text_address+0xcb/0x160 [ 58.484611][ T8479] ? create_prof_cpu_mask+0x20/0x20 [ 58.489825][ T8479] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 58.496052][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 58.502280][ T8479] ? ext4_journal_check_start+0x1ae/0x2a0 [ 58.507985][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 58.514295][ T8479] ext4_xattr_set+0x13a/0x340 [ 58.519222][ T8479] ? ext4_xattr_set_credits+0x200/0x200 [ 58.524751][ T8479] ? __sanitizer_cov_trace_cmp1+0x22/0x80 [ 58.530542][ T8479] ? xattr_resolve_name+0x26e/0x3d0 [ 58.535808][ T8479] ? ext4_xattr_hurd_get+0xf0/0xf0 [ 58.540917][ T8479] __vfs_setxattr+0x10e/0x170 [ 58.545600][ T8479] ? xattr_resolve_name+0x3d0/0x3d0 [ 58.550785][ T8479] ? evm_protect_xattr.constprop.0+0x95/0x3c0 [ 58.556855][ T8479] __vfs_setxattr_noperm+0x11a/0x4c0 [ 58.562133][ T8479] __vfs_setxattr_locked+0x1bf/0x250 [ 58.567579][ T8479] ? __might_fault+0xd3/0x180 [ 58.572331][ T8479] vfs_setxattr+0x135/0x320 [ 58.576820][ T8479] ? __vfs_setxattr_locked+0x250/0x250 [ 58.582275][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 58.588602][ T8479] ? strncpy_from_user+0x2a0/0x3e0 [ 58.593783][ T8479] setxattr+0x1ff/0x290 [ 58.597933][ T8479] ? vfs_setxattr+0x320/0x320 [ 58.602594][ T8479] ? lock_release+0x710/0x710 [ 58.607256][ T8479] ? preempt_count_add+0x74/0x140 [ 58.612275][ T8479] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 58.618495][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 58.624716][ T8479] ? __mnt_want_write+0x1bc/0x2a0 [ 58.629725][ T8479] path_setxattr+0x170/0x190 [ 58.634313][ T8479] ? setxattr+0x290/0x290 [ 58.638625][ T8479] __x64_sys_lsetxattr+0xbd/0x150 [ 58.643632][ T8479] ? syscall_enter_from_user_mode+0x1d/0x50 [ 58.649523][ T8479] do_syscall_64+0x2d/0x70 [ 58.653925][ T8479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.659824][ T8479] RIP: 0033:0x4445a9 [ 58.663877][ T8479] Code: 8d d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 5b d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.684271][ T8479] RSP: 002b:00007ffc699e74a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 58.692855][ T8479] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004445a9 [ 58.700904][ T8479] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000140 [ 58.708881][ T8479] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 [ 58.717010][ T8479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402190 [ 58.724966][ T8479] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000 [ 58.736765][ T8479] Kernel Offset: disabled [ 58.741162][ T8479] Rebooting in 86400 seconds..