Starting OpenBSD Secure Shell server... Starting Permit User Sessions... [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. [* ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ 19.337121][ T22] audit: type=1400 audit(1607674406.063:8): avc: denied { execmem } for pid=363 comm="syz-executor865" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 19.352872][ T363] EXT4-fs error (device loop0): ext4_orphan_get:1264: comm syz-executor865: bad orphan inode 17 [ [ 19.369325][ T363] ext4_test_bit(bit=16, block=4) = 0 **][ 19.375207][ T363] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue A start job is [ 19.385779][ T363] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038 (0x7fffffff) running for dev-ttyS0.device (11[ 19.398610][ T363] ------------[ cut here ]------------ [ 19.405046][ T363] WARNING: CPU: 0 PID: 363 at fs/ext4/xattr.c:1657 ext4_xattr_set_entry+0x3433/0x3b60 [ 19.414675][ T363] Kernel panic - not syncing: panic_on_warn set ... [ 19.421244][ T363] CPU: 0 PID: 363 Comm: syz-executor865 Not tainted 5.4.82-syzkaller-00049-gb5ec68248f76 #0 [ 19.431282][ T363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.441317][ T363] Call Trace: [ 19.444699][ T363] dump_stack+0x1dd/0x24e [ 19.449012][ T363] ? devkmsg_release+0x11c/0x11c [ 19.454066][ T363] ? show_regs_print_info+0x12/0x12 [ 19.459255][ T363] ? vprintk_store+0x690/0x690 [ 19.464011][ T363] ? check_preemption_disabled+0x9e/0x330 [ 19.469712][ T363] ? ext4_xattr_set_entry+0x3360/0x3b60 [ 19.475235][ T363] ? ext4_xattr_set_entry+0x3360/0x3b60 [ 19.480780][ T363] panic+0x285/0x750 [ 19.484676][ T363] ? __warn+0xfa/0x200 [ 19.488729][ T363] ? nmi_panic+0x90/0x90 [ 19.492944][ T363] ? devkmsg_release+0x11c/0x11c [ 19.497852][ T363] ? is_valid_bugaddr+0xa0/0x150 [ 19.502764][ T363] ? arch_stack_walk+0xf8/0x140 [ 19.507584][ T363] ? ext4_xattr_set_entry+0x3433/0x3b60 [ 19.513099][ T363] __warn+0x1fd/0x200 [ 19.517066][ T363] ? ext4_xattr_set_entry+0x3433/0x3b60 [ 19.522586][ T363] report_bug+0x390/0x4d0 [ 19.526890][ T363] ? ext4_xattr_set_entry+0x3433/0x3b60 [ 19.532404][ T363] do_invalid_op+0x6e/0x110 [ 19.536895][ T363] invalid_op+0x1e/0x30 [ 19.541024][ T363] RIP: 0010:ext4_xattr_set_entry+0x3433/0x3b60 [ 19.547160][ T363] Code: bf 00 00 00 00 00 fc ff df e9 7d fd ff ff 45 89 fd e8 01 0b 92 ff 49 bf 00 00 00 00 00 fc ff df e9 66 fd ff ff e8 ed 0a 92 ff <0f> 0b e9 b0 d3 ff ff 48 8b 7c 24 08 4c 89 ee e8 89 b8 de ff 49 8d [ 19.566758][ T363] RSP: 0018:ffff8881e89c7200 EFLAGS: 00010293 [ 19.572918][ T363] RAX: ffffffff81d2b4d3 RBX: 1ffff1103d138efa RCX: ffff8881e9eccd80 [ 19.580869][ T363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 19.588824][ T363] RBP: ffff8881e89c7490 R08: ffffffff81d2887c R09: 000000000000000e [ 19.596788][ T363] R10: ffffed103ee06545 R11: 0000000000000000 R12: ffff8881e86c1020 [ 19.604735][ T363] R13: 0000000000000000 R14: ffff8881e89c77d0 R15: dffffc0000000000 [ 19.612696][ T363] ? ext4_xattr_set_entry+0x7dc/0x3b60 [ 19.618124][ T363] ? ext4_xattr_set_entry+0x3433/0x3b60 [ 19.623650][ T363] ? ext4_xattr_ibody_inline_set+0x290/0x290 [ 19.629611][ T363] ? ext4_xattr_block_set+0x11f6/0x40a0 [ 19.635143][ T363] ? __should_failslab+0x8b/0x150 [ 19.640135][ T363] ? kzalloc+0x1b/0x30 [ 19.644177][ T363] ? __kmalloc+0xe7/0x2d0 [ 19.648493][ T363] ? kzalloc+0x1b/0x30 [ 19.652595][ T363] ext4_xattr_block_set+0x470/0x40a0 [ 19.657911][ T363] ? ext4_xattr_block_find+0x550/0x550 [ 19.663355][ T363] ? preempt_count_add+0x66/0x150 [ 19.668361][ T363] ? __ext4_journal_get_write_access+0x86/0x2e0 [ 19.674581][ T363] ? down_write+0xd8/0x150 [ 19.678973][ T363] ? down_read_killable+0x220/0x220 [ 19.684150][ T363] ? ext4_xattr_ibody_find+0x218/0x990 [ 19.689594][ T363] ? ext4_xattr_block_find+0xee/0x550 [ 19.694941][ T363] ? ext4_reserve_inode_write+0x19c/0x220 [ 19.700632][ T363] ext4_xattr_set_handle+0xf7d/0x1f60 [ 19.705990][ T363] ? ext4_xattr_set_entry+0x3b60/0x3b60 [ 19.711506][ T363] ? memset+0x1f/0x40 [ 19.715488][ T363] ? dquot_initialize+0x20/0x20 [ 19.720412][ T363] ? selinux_inode_setxattr+0x659/0x10b0 [ 19.726157][ T363] ? __ext4_journal_start_sb+0x3ad/0x420 [ 19.731783][ T363] ext4_xattr_set+0x229/0x330 [ 19.736450][ T363] ? selinux_perf_event_write+0x100/0x100 [ 19.742150][ T363] ? ext4_xattr_set_credits+0x290/0x290 [ 19.747676][ T363] ? ext4_xattr_trusted_get+0x40/0x40 [ 19.753028][ T363] __vfs_setxattr+0x3be/0x400 [ 19.757701][ T363] __vfs_setxattr_noperm+0x12a/0x3e0 [ 19.762981][ T363] vfs_setxattr+0x11e/0x2d0 [ 19.767475][ T363] ? xattr_permission+0x350/0x350 [ 19.772487][ T363] ? strncpy_from_user+0x20c/0x370 [ 19.777568][ T363] setxattr+0x1e2/0x410 [ 19.781694][ T363] ? path_setxattr+0x240/0x240 [ 19.786438][ T363] ? preempt_count_add+0x66/0x150 [ 19.791433][ T363] ? __mnt_want_write+0x1f5/0x270 [ 19.796426][ T363] path_setxattr+0x164/0x240 [ 19.801001][ T363] ? simple_xattr_list_add+0xf0/0xf0 [ 19.806280][ T363] ? __fpregs_load_activate+0x2d3/0x390 [ 19.811810][ T363] ? fput_many+0x42/0x1a0 [ 19.816108][ T363] __x64_sys_lsetxattr+0xb4/0xd0 [ 19.821018][ T363] do_syscall_64+0xcb/0x150 [ 19.825500][ T363] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.831365][ T363] RIP: 0033:0x444619 [ 19.835233][ T363] Code: 2d 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 fb d6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 19.854810][ T363] RSP: 002b:00007ffcc7395368 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 19.863191][ T363] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000444619 [ 19.871136][ T363] RDX: 0000000000000000 RSI: 00000000200009c0 RDI: 0000000020000980 [ 19.879092][ T363] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 [ 19.887048][ T363] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021a0 [ 19.895005][ T363] R13: 0000000000402230 R14: 0000000000000000 R15: 0000000000000000 [ 19.903559][ T363] Kernel Offset: disabled [ 19.907886][ T363] Rebooting in 86400 seconds..