Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 91.899022][ T27] audit: type=1400 audit(1576749641.066:42): avc: denied { map } for pid=9970 comm="syz-executor125" path="/root/syz-executor125228014" 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 [ 91.956903][ T3088] BUG: unable to handle page fault for address: fffff52000680000 [ 91.964655][ T3088] #PF: supervisor read access in kernel mode [ 91.970704][ T3088] #PF: error_code(0x0000) - not-present page [ 91.976661][ T3088] PGD 21ffee067 P4D 21ffee067 PUD aa51c067 PMD a85e1067 PTE 0 [ 91.984110][ T3088] Oops: 0000 [#1] PREEMPT SMP KASAN [ 91.989291][ T3088] CPU: 1 PID: 3088 Comm: kworker/1:2 Not tainted 5.5.0-rc2-syzkaller #0 [ 91.997593][ T3088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.007775][ T3088] Workqueue: xfs-buf/loop0 xfs_buf_ioend_work [ 92.014025][ T3088] RIP: 0010:xfs_sb_quiet_read_verify+0x47/0xc0 [ 92.020170][ T3088] 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 [ 92.040123][ T3088] RSP: 0018:ffffc90008187cc0 EFLAGS: 00010a06 [ 92.046540][ T3088] RAX: dffffc0000000000 RBX: ffffc90003400000 RCX: ffffffff82ad3c26 [ 92.054598][ T3088] RDX: 1ffff92000680000 RSI: ffffffff82aa0a0f RDI: ffff8880a2cdba70 [ 92.062551][ T3088] RBP: ffffc90008187cd0 R08: ffff88809eb6c500 R09: ffffed1015d2703d [ 92.070514][ T3088] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffff8880a2cdb940 [ 92.078479][ T3088] R13: ffff8880a2cdb95c R14: ffff8880a2cdbb74 R15: 0000000000000000 [ 92.086706][ T3088] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.095975][ T3088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.102560][ T3088] CR2: fffff52000680000 CR3: 000000009f5ab000 CR4: 00000000001406e0 [ 92.110517][ T3088] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.118484][ T3088] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.127575][ T3088] Call Trace: [ 92.130858][ T3088] xfs_buf_ioend+0x3f9/0xde0 [ 92.135443][ T3088] ? trace_hardirqs_on+0x67/0x240 [ 92.140708][ T3088] xfs_buf_ioend_work+0x19/0x20 [ 92.145551][ T3088] process_one_work+0x9af/0x1740 [ 92.150595][ T3088] ? pwq_dec_nr_in_flight+0x320/0x320 [ 92.155963][ T3088] ? lock_acquire+0x190/0x410 [ 92.160679][ T3088] worker_thread+0x98/0xe40 [ 92.165171][ T3088] ? trace_hardirqs_on+0x67/0x240 [ 92.170183][ T3088] kthread+0x361/0x430 [ 92.174231][ T3088] ? process_one_work+0x1740/0x1740 [ 92.179437][ T3088] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 92.185148][ T3088] ret_from_fork+0x24/0x30 [ 92.189588][ T3088] Modules linked in: [ 92.193473][ T3088] CR2: fffff52000680000 [ 92.197800][ T3088] ---[ end trace 744ceb50d377bf94 ]--- [ 92.203254][ T3088] RIP: 0010:xfs_sb_quiet_read_verify+0x47/0xc0 [ 92.209479][ T3088] 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 [ 92.229237][ T3088] RSP: 0018:ffffc90008187cc0 EFLAGS: 00010a06 [ 92.235467][ T3088] RAX: dffffc0000000000 RBX: ffffc90003400000 RCX: ffffffff82ad3c26 [ 92.244047][ T3088] RDX: 1ffff92000680000 RSI: ffffffff82aa0a0f RDI: ffff8880a2cdba70 [ 92.252003][ T3088] RBP: ffffc90008187cd0 R08: ffff88809eb6c500 R09: ffffed1015d2703d [ 92.259963][ T3088] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffff8880a2cdb940 [ 92.267916][ T3088] R13: ffff8880a2cdb95c R14: ffff8880a2cdbb74 R15: 0000000000000000 [ 92.275874][ T3088] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.284966][ T3088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.291529][ T3088] CR2: fffff52000680000 CR3: 000000009f5ab000 CR4: 00000000001406e0 [ 92.299507][ T3088] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.307459][ T3088] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.315432][ T3088] Kernel panic - not syncing: Fatal exception [ 92.323739][ T3088] Kernel Offset: disabled [ 92.328396][ T3088] Rebooting in 86400 seconds..