Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. executing program [ 19.433018][ T22] audit: type=1400 audit(1661311510.879:73): avc: denied { execmem } for pid=298 comm="syz-executor212" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 19.454115][ T301] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 19.455449][ T22] audit: type=1400 audit(1661311510.879:74): avc: denied { read write } for pid=298 comm="syz-executor212" name="loop0" dev="devtmpfs" ino=9369 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 19.487274][ T22] audit: type=1400 audit(1661311510.879:75): avc: denied { open } for pid=298 comm="syz-executor212" path="/dev/loop0" dev="devtmpfs" ino=9369 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 19.511477][ T22] audit: type=1400 audit(1661311510.879:76): avc: denied { ioctl } for pid=298 comm="syz-executor212" path="/dev/loop0" dev="devtmpfs" ino=9369 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 19.537114][ T22] audit: type=1400 audit(1661311510.889:77): avc: denied { mounton } for pid=300 comm="syz-executor212" path="/root/syzkaller.3qA2qI/0/file0" dev="sda1" ino=1140 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 19.561540][ T22] audit: type=1400 audit(1661311510.909:78): avc: denied { mount } for pid=300 comm="syz-executor212" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 19.583363][ T22] audit: type=1400 audit(1661311510.909:79): avc: denied { write } for pid=300 comm="syz-executor212" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 19.605201][ T22] audit: type=1400 audit(1661311510.909:80): avc: denied { add_name } for pid=300 comm="syz-executor212" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 19.625881][ T22] audit: type=1400 audit(1661311510.909:81): avc: denied { create } for pid=300 comm="syz-executor212" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 19.646119][ T22] audit: type=1400 audit(1661311510.909:82): avc: denied { write open } for pid=300 comm="syz-executor212" path="/root/syzkaller.3qA2qI/0/file0/bus" dev="loop0" ino=17 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 executing program [ 19.764320][ T306] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 19.837399][ T311] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 19.917838][ T316] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 19.976768][ T321] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 20.075724][ T329] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 20.138139][ T334] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 20.193736][ T339] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 20.278224][ T344] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 20.347356][ T349] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 20.402527][ T354] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 20.465208][ T359] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 20.533729][ T364] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 20.637093][ T369] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 20.717390][ T374] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 20.755266][ T379] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 20.879741][ T384] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 20.891144][ T384] ------------[ cut here ]------------ [ 20.896618][ T384] kernel BUG at fs/buffer.c:2042! [ 20.901794][ T384] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 20.907841][ T384] CPU: 0 PID: 384 Comm: syz-executor212 Not tainted 5.4.197-syzkaller-00011-gf3c75e616e3f #0 [ 20.917950][ T384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 20.927994][ T384] RIP: 0010:__block_commit_write+0x22e/0x230 [ 20.933954][ T384] Code: 48 8b 5c 24 10 48 89 df be 08 00 00 00 e8 5a 48 ee ff f0 80 0b 04 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d2 0a c2 ff <0f> 0b 55 41 57 41 56 41 55 41 54 53 48 83 ec 28 4c 89 0c 24 44 89 [ 20.953527][ T384] RSP: 0018:ffff8881f24e7a60 EFLAGS: 00010293 [ 20.959571][ T384] RAX: ffffffff819e481e RBX: 0000000000000000 RCX: ffff8881dd14af40 [ 20.967514][ T384] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 20.975549][ T384] RBP: ffffea00077c4e40 R08: ffffffff819e4650 R09: fffff94000ef89c9 [ 20.983490][ T384] R10: fffff94000ef89c9 R11: 1ffffd4000ef89c8 R12: 00000000000001d0 [ 20.991441][ T384] R13: 00000000000001c0 R14: 8000000000000005 R15: 0000000000000010 [ 20.999384][ T384] FS: 00007f950dfa9700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 21.008464][ T384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.015014][ T384] CR2: 00007f950df88718 CR3: 00000001dd570000 CR4: 00000000003406f0 [ 21.022958][ T384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.030910][ T384] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.038850][ T384] Call Trace: [ 21.042114][ T384] ? ext4_write_inline_data_end+0x350/0x430 [ 21.047976][ T384] block_write_end+0x40/0x80 [ 21.052536][ T384] ext4_write_end+0x217/0xe40 [ 21.057191][ T384] ? ext4_da_write_end+0x9b/0xc70 [ 21.062188][ T384] ? ext4_da_write_begin+0xef0/0xef0 [ 21.067700][ T384] generic_perform_write+0x395/0x510 [ 21.073039][ T384] __generic_file_write_iter+0x239/0x490 [ 21.078646][ T384] ext4_file_write_iter+0x46e/0x1040 [ 21.083986][ T384] ? do_futex+0x1307/0x1880 [ 21.088463][ T384] ? iov_iter_init+0x83/0x160 [ 21.093108][ T384] __vfs_write+0x4f9/0x6a0 [ 21.097493][ T384] vfs_write+0x210/0x4f0 [ 21.101705][ T384] ksys_write+0x158/0x260 [ 21.106019][ T384] do_syscall_64+0xcb/0x1c0 [ 21.110493][ T384] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.116352][ T384] RIP: 0033:0x7f950dffccc9 [ 21.120740][ T384] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 21.140312][ T384] RSP: 002b:00007f950dfa92f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 21.148691][ T384] RAX: ffffffffffffffda RBX: 0000000000000025 RCX: 00007f950dffccc9 [ 21.156633][ T384] RDX: 0000000000000010 RSI: 0000000020000280 RDI: 0000000000000003 [ 21.164571][ T384] RBP: 00007f950e0824a8 R08: 0000000000000000 R09: 0000000000000000 [ 21.172530][ T384] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f950e0824a0 [ 21.180470][ T384] R13: 00007f950e04f0bc R14: 0030656c69662f2e R15: e5d26e84aa4cf3c6 [ 21.188413][ T384] Modules linked in: [ 21.192465][ T384] ---[ end trace 96a1001f9e9d8336 ]--- [ 21.197926][ T384] RIP: 0010:__block_commit_write+0x22e/0x230 [ 21.203906][ T384] Code: 48 8b 5c 24 10 48 89 df be 08 00 00 00 e8 5a 48 ee ff f0 80 0b 04 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d2 0a c2 ff <0f> 0b 55 41 57 41 56 41 55 41 54 53 48 83 ec 28 4c 89 0c 24 44 89 [ 21.223557][ T384] RSP: 0018:ffff8881f24e7a60 EFLAGS: 00010293 [ 21.229622][ T384] RAX: ffffffff819e481e RBX: 0000000000000000 RCX: ffff8881dd14af40 [ 21.237581][ T384] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 21.245556][ T384] RBP: ffffea00077c4e40 R08: ffffffff819e4650 R09: fffff94000ef89c9 [ 21.253525][ T384] R10: fffff94000ef89c9 R11: 1ffffd4000ef89c8 R12: 00000000000001d0 [ 21.261497][ T384] R13: 00000000000001c0 R14: 8000000000000005 R15: 0000000000000010 [ 21.269482][ T384] FS: 00007f950dfa9700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 21.278385][ T384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.284979][ T384] CR2: 00007f950df88718 CR3: 00000001dd570000 CR4: 00000000003406f0 [ 21.292954][ T384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.300920][ T384] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.308871][ T384] Kernel panic - not syncing: Fatal exception [ 21.315068][ T384] Kernel Offset: disabled [ 21.319375][ T384] Rebooting in 86400 seconds..