Warning: Permanently added '10.128.0.249' (ECDSA) to the list of known hosts. executing program [* ] 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 (10s / 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)[ 18.770970][ T22] audit: type=1400 audit(1607564534.861:8): avc: denied { execmem } for pid=350 comm="syz-executor249" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 18.787285][ T350] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 18.800546][ T350] ext4 filesystem being mounted at /root/file1 supports timestamps until 2038 (0x7fffffff) [ 18.811413][ T350] Quota error (device loop0): qtree_write_dquot: Error -130079078 occurred while creating quota [ 18.822103][ T350] Quota error (device loop0): qtree_write_dquot: Error -130079077 occurred while creating quota [ 18.832992][ T350] BUG: unable to handle page fault for address: fffffbffff07e4df [ 18.832996][ T350] #PF: supervisor read access in kernel mode [ 18.832999][ T350] #PF: error_code(0x0000) - not-present page [ 18.833006][ T350] PGD 23fff3067 P4D 23fff3067 PUD 23ffb6067 PMD 0 [ 18.859082][ T350] Oops: 0000 [#1] PREEMPT SMP KASAN [ 18.864245][ T350] CPU: 0 PID: 350 Comm: syz-executor249 Not tainted 5.4.82-syzkaller-00042-gd7ec680881a1 #0 [ 18.874266][ T350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.884343][ T350] RIP: 0010:check_memory_region+0x70/0x2f0 [ 18.890117][ T350] Code: 49 bd 01 00 00 00 00 fc ff df 4d 01 ea 4d 89 d6 4d 29 ce 49 83 fe 10 7f 2b 4d 85 f6 0f 84 b9 01 00 00 4c 89 cb 4c 29 d3 66 90 <45> 0f b6 19 45 84 db 0f 85 03 02 00 00 49 ff c1 48 ff c3 75 eb e9 [ 18.909696][ T350] RSP: 0018:ffff8881e890f5d0 EFLAGS: 00010287 [ 18.915737][ T350] RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff842c80b6 [ 18.923676][ T350] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffffffff83f26fb [ 18.931619][ T350] RBP: ffff8881e890f6a0 R08: dffffc0000000000 R09: fffffbffff07e4df [ 18.939560][ T350] R10: fffffbffff07e4e0 R11: 0000000000000004 R12: 1fffffffff07e4df [ 18.947501][ T350] R13: dffffc0000000001 R14: 0000000000000001 R15: ffff8881e890f620 [ 18.955463][ T350] FS: 000000000161b880(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 18.964359][ T350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.970911][ T350] CR2: fffffbffff07e4df CR3: 00000001e88f7000 CR4: 00000000001406f0 [ 18.978852][ T350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.986789][ T350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.994726][ T350] Call Trace: [ 18.997987][ T350] _raw_spin_lock+0x96/0x1b0 [ 19.002541][ T350] ? _raw_spin_trylock_bh+0x1a0/0x1a0 [ 19.007877][ T350] ? ext4_get_inode_usage+0x864/0xa90 [ 19.013215][ T350] ? mark_buffer_dirty+0x334/0x380 [ 19.018292][ T350] ? __ext4_handle_dirty_metadata+0x2d8/0x910 [ 19.024324][ T350] dquot_add_inodes+0x32/0xa90 [ 19.029058][ T350] ? _raw_spin_trylock_bh+0x1a0/0x1a0 [ 19.034396][ T350] ? __ext4_journal_get_create_access+0x2e0/0x2e0 [ 19.040826][ T350] ? __quota_error+0x1a6/0x1b0 [ 19.045555][ T350] __dquot_transfer+0x65b/0x29c0 [ 19.050470][ T350] ? __brelse+0x54/0x90 [ 19.054600][ T350] ? up_write+0x187/0x280 [ 19.058949][ T350] ? up_read+0x10/0x10 [ 19.062988][ T350] ? dquot_free_inode+0xa30/0xa30 [ 19.067982][ T350] ? v2_write_file_info+0x2d5/0x4f0 [ 19.073238][ T350] ? check_preemption_disabled+0x9e/0x330 [ 19.078936][ T350] ? debug_smp_processor_id+0x20/0x20 [ 19.084282][ T350] ? from_kgid+0x206/0x350 [ 19.088669][ T350] ? percpu_counter_add_batch+0x14d/0x170 [ 19.094367][ T350] dquot_transfer+0x347/0x4f0 [ 19.099014][ T350] ? __dquot_transfer+0x29c0/0x29c0 [ 19.104179][ T350] ? capable_wrt_inode_uidgid+0x13f/0x1d0 [ 19.109863][ T350] ? __ext4_journal_start_sb+0x3ad/0x420 [ 19.115459][ T350] ext4_setattr+0x79f/0x1fb0 [ 19.120016][ T350] ? make_kgid+0x3a0/0x3a0 [ 19.124399][ T350] ? security_inode_setattr+0xfa/0x130 [ 19.129822][ T350] ? ext4_write_inode+0x650/0x650 [ 19.134810][ T350] notify_change+0xb13/0x1010 [ 19.139455][ T350] chown_common+0x3a1/0x660 [ 19.143925][ T350] ? do_fchownat+0x240/0x240 [ 19.148480][ T350] ? debug_smp_processor_id+0x20/0x20 [ 19.153819][ T350] ? __mnt_want_write+0x1f5/0x270 [ 19.158806][ T350] do_fchownat+0x165/0x240 [ 19.163185][ T350] ? __ia32_sys_chmod+0x1c0/0x1c0 [ 19.168173][ T350] ? __fput+0x4fd/0x6c0 [ 19.172295][ T350] ? fput_many+0x42/0x1a0 [ 19.176589][ T350] __x64_sys_fchownat+0xb1/0xc0 [ 19.181406][ T350] do_syscall_64+0xcb/0x150 [ 19.185876][ T350] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.191734][ T350] RIP: 0033:0x4447b9 [ 19.195595][ T350] 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 [ 19.215167][ T350] RSP: 002b:00007fffeb68c4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000104 [ 19.223542][ T350] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 00000000004447b9 [ 19.231487][ T350] RDX: 000000000000ee00 RSI: 0000000020000040 RDI: 0000000000000005 [ 19.239424][ T350] RBP: 00000000006cf018 R08: 0000000000000000 R09: 00000000004002e0 [ 19.247394][ T350] R10: 000000000000ee00 R11: 0000000000000246 R12: 00000000004023a0 [ 19.255342][ T350] R13: 0000000000402430 R14: 0000000000000000 R15: 0000000000000000 [ 19.263281][ T350] Modules linked in: [ 19.267143][ T350] CR2: fffffbffff07e4df [ 19.271262][ T350] ---[ end trace 6b24e6717dc27bf6 ]--- [ 19.276734][ T350] RIP: 0010:check_memory_region+0x70/0x2f0 [ 19.282504][ T350] Code: 49 bd 01 00 00 00 00 fc ff df 4d 01 ea 4d 89 d6 4d 29 ce 49 83 fe 10 7f 2b 4d 85 f6 0f 84 b9 01 00 00 4c 89 cb 4c 29 d3 66 90 <45> 0f b6 19 45 84 db 0f 85 03 02 00 00 49 ff c1 48 ff c3 75 eb e9 [ 19.302074][ T350] RSP: 0018:ffff8881e890f5d0 EFLAGS: 00010287 [ 19.308114][ T350] RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff842c80b6 [ 19.316052][ T350] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffffffff83f26fb [ 19.323989][ T350] RBP: ffff8881e890f6a0 R08: dffffc0000000000 R09: fffffbffff07e4df [ 19.331926][ T350] R10: fffffbffff07e4e0 R11: 0000000000000004 R12: 1fffffffff07e4df [ 19.339864][ T350] R13: dffffc0000000001 R14: 0000000000000001 R15: ffff8881e890f620 [ 19.347803][ T350] FS: 000000000161b880(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 19.356697][ T350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.363247][ T350] CR2: fffffbffff07e4df CR3: 00000001e88f7000 CR4: 00000000001406f0 [ 19.371202][ T350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.379139][ T350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.387090][ T350] Kernel panic - not syncing: Fatal exception [ 19.393819][ T350] Kernel Offset: disabled [ 19.398118][ T350] Rebooting in 86400 seconds..