[ OK ] Reached target Login Prompts. [ 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... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 45.549940][ T8451] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 45.559043][ T8451] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038 (0x7fffffff) [ 45.571412][ T8451] ------------[ cut here ]------------ [ 45.577323][ T8451] WARNING: CPU: 0 PID: 8451 at fs/ext4/xattr.c:1640 ext4_xattr_set_entry+0x30d0/0x3860 [ 45.587074][ T8451] Modules linked in: [ 45.590987][ T8451] CPU: 0 PID: 8451 Comm: syz-executor265 Not tainted 5.10.0-rc7-syzkaller #0 [ 45.599894][ T8451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.610074][ T8451] RIP: 0010:ext4_xattr_set_entry+0x30d0/0x3860 [ 45.617412][ T8451] Code: ff ff ff eb 05 e8 20 ad 5c ff 49 bd 00 00 00 00 00 fc ff df 48 8b 1c 24 48 8b ac 24 90 00 00 00 e9 b9 fd ff ff e8 00 ad 5c ff <0f> 0b e9 a1 d6 ff ff 48 8b 7c 24 78 4c 89 e6 e8 5c 81 c8 ff 49 8d [ 45.637713][ T8451] RSP: 0018:ffffc9000102f718 EFLAGS: 00010293 [ 45.643921][ T8451] RAX: ffffffff82187230 RBX: 0000000000000000 RCX: ffff88801af0b480 [ 45.651891][ T8451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 45.659937][ T8451] RBP: 1ffff92000205f5d R08: ffffffff821848ca R09: ffffffff89600dd0 [ 45.667959][ T8451] R10: ffffffff89800000 R11: ffffffff898006be R12: 0000000000000001 [ 45.676017][ T8451] R13: dffffc0000000000 R14: ffffc9000102fae8 R15: ffff888030568020 [ 45.684177][ T8451] FS: 0000000001c20880(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 45.693186][ T8451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.699761][ T8451] CR2: 0000561b1476e9c8 CR3: 0000000015202000 CR4: 00000000001506f0 [ 45.707818][ T8451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.715868][ T8451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.723876][ T8451] Call Trace: [ 45.727231][ T8451] ? kzalloc+0x16/0x20 [ 45.731282][ T8451] ? ext4_xattr_block_set+0x77/0x3c50 [ 45.736798][ T8451] ext4_xattr_block_set+0x386/0x3c50 [ 45.742096][ T8451] ? ext4_xattr_ibody_find+0x218/0x990 [ 45.748454][ T8451] ext4_xattr_set_handle+0xead/0x1ed0 [ 45.755072][ T8451] ext4_xattr_set+0x1d8/0x310 [ 45.759759][ T8451] ? ext4_xattr_trusted_get+0x40/0x40 [ 45.765595][ T8451] __vfs_setxattr+0x3be/0x400 [ 45.770282][ T8451] __vfs_setxattr_noperm+0x11e/0x4b0 [ 45.776032][ T8451] vfs_setxattr+0xde/0x270 [ 45.780514][ T8451] setxattr+0x167/0x340 [ 45.785070][ T8451] ? preempt_count_add+0x66/0x130 [ 45.790144][ T8451] ? __mnt_want_write+0x1ee/0x270 [ 45.795424][ T8451] path_setxattr+0x109/0x1c0 [ 45.800017][ T8451] __x64_sys_lsetxattr+0xb4/0xd0 [ 45.805007][ T8451] do_syscall_64+0x2d/0x70 [ 45.809416][ T8451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.815359][ T8451] RIP: 0033:0x4445a9 [ 45.819292][ T8451] 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 [ 45.838936][ T8451] RSP: 002b:00007fffa74b7bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 45.847413][ T8451] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004445a9 [ 45.855499][ T8451] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000140 [ 45.863518][ T8451] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 [ 45.871494][ T8451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402190 [ 45.879509][ T8451] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000 [ 45.887556][ T8451] Kernel panic - not syncing: panic_on_warn set ... [ 45.894128][ T8451] CPU: 1 PID: 8451 Comm: syz-executor265 Not tainted 5.10.0-rc7-syzkaller #0 [ 45.902855][ T8451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.912883][ T8451] Call Trace: [ 45.916241][ T8451] dump_stack+0x137/0x1be [ 45.920543][ T8451] ? panic+0x1f3/0x800 [ 45.924589][ T8451] panic+0x291/0x800 [ 45.928471][ T8451] ? __warn+0x13e/0x270 [ 45.932601][ T8451] __warn+0x26a/0x270 [ 45.936570][ T8451] ? ext4_xattr_set_entry+0x30d0/0x3860 [ 45.942091][ T8451] ? ext4_xattr_set_entry+0x30d0/0x3860 [ 45.947621][ T8451] report_bug+0x1b1/0x2e0 [ 45.951929][ T8451] handle_bug+0x3d/0x70 [ 45.956061][ T8451] exc_invalid_op+0x16/0x40 [ 45.960538][ T8451] asm_exc_invalid_op+0x12/0x20 [ 45.965363][ T8451] RIP: 0010:ext4_xattr_set_entry+0x30d0/0x3860 [ 45.971486][ T8451] Code: ff ff ff eb 05 e8 20 ad 5c ff 49 bd 00 00 00 00 00 fc ff df 48 8b 1c 24 48 8b ac 24 90 00 00 00 e9 b9 fd ff ff e8 00 ad 5c ff <0f> 0b e9 a1 d6 ff ff 48 8b 7c 24 78 4c 89 e6 e8 5c 81 c8 ff 49 8d [ 45.991424][ T8451] RSP: 0018:ffffc9000102f718 EFLAGS: 00010293 [ 45.997478][ T8451] RAX: ffffffff82187230 RBX: 0000000000000000 RCX: ffff88801af0b480 [ 46.005425][ T8451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.013384][ T8451] RBP: 1ffff92000205f5d R08: ffffffff821848ca R09: ffffffff89600dd0 [ 46.021329][ T8451] R10: ffffffff89800000 R11: ffffffff898006be R12: 0000000000000001 [ 46.029274][ T8451] R13: dffffc0000000000 R14: ffffc9000102fae8 R15: ffff888030568020 [ 46.037226][ T8451] ? __do_softirq+0x6be/0x6be [ 46.041875][ T8451] ? __entry_text_end+0x1feca9/0x1feca9 [ 46.047391][ T8451] ? asm_sysvec_kvm_asyncpf_interrupt+0x20/0x20 [ 46.053602][ T8451] ? ext4_xattr_set_entry+0x76a/0x3860 [ 46.059029][ T8451] ? ext4_xattr_set_entry+0x30d0/0x3860 [ 46.064557][ T8451] ? ext4_xattr_set_entry+0x30d0/0x3860 [ 46.070084][ T8451] ? kzalloc+0x16/0x20 [ 46.074139][ T8451] ? ext4_xattr_block_set+0x77/0x3c50 [ 46.079486][ T8451] ext4_xattr_block_set+0x386/0x3c50 [ 46.084755][ T8451] ? ext4_xattr_ibody_find+0x218/0x990 [ 46.090191][ T8451] ext4_xattr_set_handle+0xead/0x1ed0 [ 46.095565][ T8451] ext4_xattr_set+0x1d8/0x310 [ 46.100229][ T8451] ? ext4_xattr_trusted_get+0x40/0x40 [ 46.105575][ T8451] __vfs_setxattr+0x3be/0x400 [ 46.110231][ T8451] __vfs_setxattr_noperm+0x11e/0x4b0 [ 46.115496][ T8451] vfs_setxattr+0xde/0x270 [ 46.119889][ T8451] setxattr+0x167/0x340 [ 46.124030][ T8451] ? preempt_count_add+0x66/0x130 [ 46.129028][ T8451] ? __mnt_want_write+0x1ee/0x270 [ 46.134030][ T8451] path_setxattr+0x109/0x1c0 [ 46.138601][ T8451] __x64_sys_lsetxattr+0xb4/0xd0 [ 46.143527][ T8451] do_syscall_64+0x2d/0x70 [ 46.147928][ T8451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.153791][ T8451] RIP: 0033:0x4445a9 [ 46.157660][ T8451] 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 [ 46.177235][ T8451] RSP: 002b:00007fffa74b7bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 46.185621][ T8451] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004445a9 [ 46.193568][ T8451] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000140 [ 46.201511][ T8451] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 [ 46.209455][ T8451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402190 [ 46.217398][ T8451] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000 [ 46.226098][ T8451] Kernel Offset: disabled [ 46.230476][ T8451] Rebooting in 86400 seconds..