[ 87.197898][ T27] audit: type=1400 audit(1576736221.372:42): avc: denied { map } for pid=10154 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts. executing program [ 88.996382][ T27] audit: type=1400 audit(1576736223.162:43): avc: denied { map } for pid=10158 comm="syz-executor635" path="/root/syz-executor635487160" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 89.050929][ T3165] BUG: unable to handle page fault for address: fffff52000800000 [ 89.058680][ T3165] #PF: supervisor read access in kernel mode [ 89.064634][ T3165] #PF: error_code(0x0000) - not-present page [ 89.070602][ T3165] PGD 21ffee067 P4D 21ffee067 PUD aa51c067 PMD a75d7067 PTE 0 [ 89.078046][ T3165] Oops: 0000 [#1] PREEMPT SMP KASAN [ 89.083220][ T3165] CPU: 1 PID: 3165 Comm: kworker/1:2 Not tainted 5.5.0-rc2-syzkaller #0 [ 89.091523][ T3165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.101564][ T3165] Workqueue: xfs-buf/loop0 xfs_buf_ioend_work [ 89.107623][ T3165] RIP: 0010:xfs_sb_quiet_read_verify+0x47/0xc0 [ 89.113750][ T3165] Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7f 49 8b 9c 24 30 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 50 8b 1b bf 58 46 53 42 89 de e8 [ 89.133341][ T3165] RSP: 0018:ffffc90007e87cc0 EFLAGS: 00010a06 [ 89.139397][ T3165] RAX: dffffc0000000000 RBX: ffffc90004000000 RCX: ffffffff82ad3c26 [ 89.147346][ T3165] RDX: 1ffff92000800000 RSI: ffffffff82aa0a0f RDI: ffff88808826fa70 [ 89.155295][ T3165] RBP: ffffc90007e87cd0 R08: ffff88809e678500 R09: ffffed1015d2703d [ 89.163244][ T3165] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffff88808826f940 [ 89.171292][ T3165] R13: ffff88808826f95c R14: ffff88808826fb74 R15: 0000000000000000 [ 89.179251][ T3165] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 89.188173][ T3165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.194750][ T3165] CR2: fffff52000800000 CR3: 00000000a395e000 CR4: 00000000001406e0 [ 89.202702][ T3165] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.210650][ T3165] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.218600][ T3165] Call Trace: [ 89.221886][ T3165] xfs_buf_ioend+0x3f9/0xde0 [ 89.226456][ T3165] ? trace_hardirqs_on+0x67/0x240 [ 89.231458][ T3165] xfs_buf_ioend_work+0x19/0x20 [ 89.236287][ T3165] process_one_work+0x9af/0x1740 [ 89.241376][ T3165] ? pwq_dec_nr_in_flight+0x320/0x320 [ 89.246838][ T3165] ? lock_acquire+0x190/0x410 [ 89.251545][ T3165] worker_thread+0x98/0xe40 [ 89.256029][ T3165] ? trace_hardirqs_on+0x67/0x240 [ 89.261047][ T3165] kthread+0x361/0x430 [ 89.265090][ T3165] ? process_one_work+0x1740/0x1740 [ 89.270266][ T3165] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 89.275960][ T3165] ret_from_fork+0x24/0x30 [ 89.280388][ T3165] Modules linked in: [ 89.284260][ T3165] CR2: fffff52000800000 [ 89.288392][ T3165] ---[ end trace 7bed42b483a51d66 ]--- [ 89.293834][ T3165] RIP: 0010:xfs_sb_quiet_read_verify+0x47/0xc0 [ 89.301275][ T3165] Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7f 49 8b 9c 24 30 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 50 8b 1b bf 58 46 53 42 89 de e8 [ 89.320864][ T3165] RSP: 0018:ffffc90007e87cc0 EFLAGS: 00010a06 [ 89.326906][ T3165] RAX: dffffc0000000000 RBX: ffffc90004000000 RCX: ffffffff82ad3c26 [ 89.334857][ T3165] RDX: 1ffff92000800000 RSI: ffffffff82aa0a0f RDI: ffff88808826fa70 [ 89.342815][ T3165] RBP: ffffc90007e87cd0 R08: ffff88809e678500 R09: ffffed1015d2703d [ 89.350764][ T3165] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffff88808826f940 [ 89.358710][ T3165] R13: ffff88808826f95c R14: ffff88808826fb74 R15: 0000000000000000 [ 89.366658][ T3165] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 89.375573][ T3165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.382130][ T3165] CR2: fffff52000800000 CR3: 00000000a395e000 CR4: 00000000001406e0 [ 89.390078][ T3165] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.398029][ T3165] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.405993][ T3165] Kernel panic - not syncing: Fatal exception [ 89.413618][ T3165] Kernel Offset: disabled [ 89.417946][ T3165] Rebooting in 86400 seconds..