Warning: Permanently added '10.128.0.136' (ECDSA) to the list of known hosts. executing program [ 73.382432][ T9200] IPVS: ftp: loaded support on port[0] = 21 [ 73.416714][ T3666] BUG: unable to handle page fault for address: fffff52000680000 [ 73.424459][ T3666] #PF: supervisor read access in kernel mode [ 73.430421][ T3666] #PF: error_code(0x0000) - not-present page [ 73.436372][ T3666] PGD 21ffee067 P4D 21ffee067 PUD aa51c067 PMD a8372067 PTE 0 [ 73.444159][ T3666] Oops: 0000 [#1] PREEMPT SMP KASAN [ 73.449331][ T3666] CPU: 1 PID: 3666 Comm: ion_system_heap Not tainted 5.4.0-syzkaller #0 [ 73.458584][ T3666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.468735][ T3666] RIP: 0010:check_memory_region+0x9c/0x1a0 [ 73.474537][ T3666] Code: c9 4d 0f 49 c1 49 c1 f8 03 45 85 c0 0f 84 10 01 00 00 41 83 e8 01 4e 8d 44 c0 08 eb 0d 48 83 c0 08 4c 39 c0 0f 84 a7 00 00 00 <48> 83 38 00 74 ed 4c 8d 40 08 eb 09 48 83 c0 01 49 39 c0 74 53 80 [ 73.494453][ T3666] RSP: 0018:ffffc9000cf87ab8 EFLAGS: 00010212 [ 73.500588][ T3666] RAX: fffff52000680000 RBX: fffff52000681600 RCX: ffffffff85d95629 [ 73.508887][ T3666] RDX: 0000000000000001 RSI: 000000000000b000 RDI: ffffc90003400000 [ 73.516837][ T3666] RBP: ffffc9000cf87ad0 R08: fffff52000681600 R09: 0000000000001600 [ 73.524786][ T3666] R10: fffff520006815ff R11: ffffc9000340afff R12: fffff52000680000 [ 73.533112][ T3666] R13: 000000000000b000 R14: 0000000000000000 R15: ffffc9000cf87d08 [ 73.541090][ T3666] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 73.549999][ T3666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.556578][ T3666] CR2: fffff52000680000 CR3: 00000000a6755000 CR4: 00000000001406e0 [ 73.564531][ T3666] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.572491][ T3666] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.580444][ T3666] Call Trace: [ 73.583714][ T3666] memset+0x24/0x40 [ 73.587501][ T3666] ion_heap_clear_pages+0x49/0x70 [ 73.592523][ T3666] ion_heap_sglist_zero+0x245/0x270 [ 73.597808][ T3666] ? ion_heap_deferred_free+0x630/0x630 [ 73.603344][ T3666] ? mark_lock+0xc2/0x1220 [ 73.607809][ T3666] ? __kasan_check_read+0x11/0x20 [ 73.613022][ T3666] ? __lock_acquire+0x16f2/0x4a00 [ 73.618169][ T3666] ? finish_wait+0x18c/0x260 [ 73.622749][ T3666] ? find_held_lock+0x35/0x130 [ 73.627497][ T3666] ? ion_heap_deferred_free+0x295/0x630 [ 73.633039][ T3666] ? pgprot_writecombine+0x5e/0xf0 [ 73.638147][ T3666] ? pagerange_is_ram_callback+0x130/0x130 [ 73.643931][ T3666] ? ion_heap_deferred_free+0x295/0x630 [ 73.649530][ T3666] ion_heap_buffer_zero+0xf5/0x150 [ 73.654618][ T3666] ion_system_heap_free+0x1eb/0x250 [ 73.659799][ T3666] ion_buffer_destroy+0x159/0x2d0 [ 73.664803][ T3666] ion_heap_deferred_free+0x29d/0x630 [ 73.670168][ T3666] ? ion_heap_shrink_scan+0x1d0/0x1d0 [ 73.675525][ T3666] ? trace_hardirqs_on+0x67/0x240 [ 73.680526][ T3666] ? finish_wait+0x260/0x260 [ 73.687176][ T3666] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 73.693403][ T3666] ? __kthread_parkme+0x108/0x1c0 [ 73.698402][ T3666] ? __kasan_check_read+0x11/0x20 [ 73.703400][ T3666] kthread+0x361/0x430 [ 73.707448][ T3666] ? ion_heap_shrink_scan+0x1d0/0x1d0 [ 73.712797][ T3666] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 73.718494][ T3666] ret_from_fork+0x24/0x30 [ 73.722885][ T3666] Modules linked in: [ 73.726756][ T3666] CR2: fffff52000680000 [ 73.730891][ T3666] ---[ end trace 6d0e26662c48296a ]--- [ 73.736365][ T3666] RIP: 0010:check_memory_region+0x9c/0x1a0 [ 73.742160][ T3666] Code: c9 4d 0f 49 c1 49 c1 f8 03 45 85 c0 0f 84 10 01 00 00 41 83 e8 01 4e 8d 44 c0 08 eb 0d 48 83 c0 08 4c 39 c0 0f 84 a7 00 00 00 <48> 83 38 00 74 ed 4c 8d 40 08 eb 09 48 83 c0 01 49 39 c0 74 53 80 [ 73.761740][ T3666] RSP: 0018:ffffc9000cf87ab8 EFLAGS: 00010212 [ 73.767783][ T3666] RAX: fffff52000680000 RBX: fffff52000681600 RCX: ffffffff85d95629 [ 73.775905][ T3666] RDX: 0000000000000001 RSI: 000000000000b000 RDI: ffffc90003400000 [ 73.783863][ T3666] RBP: ffffc9000cf87ad0 R08: fffff52000681600 R09: 0000000000001600 [ 73.791811][ T3666] R10: fffff520006815ff R11: ffffc9000340afff R12: fffff52000680000 [ 73.799760][ T3666] R13: 000000000000b000 R14: 0000000000000000 R15: ffffc9000cf87d08 [ 73.807714][ T3666] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 73.816618][ T3666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.823878][ T3666] CR2: fffff52000680000 CR3: 00000000a6755000 CR4: 00000000001406e0 [ 73.831843][ T3666] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.839808][ T3666] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.847759][ T3666] Kernel panic - not syncing: Fatal exception [ 73.855327][ T3666] Kernel Offset: disabled [ 73.860094][ T3666] Rebooting in 86400 seconds..