Warning: Permanently added '10.128.0.172' (ECDSA) to the list of known hosts. executing program [ 60.897521][ T6858] general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN [ 60.909257][ T6858] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [ 60.917647][ T6858] CPU: 1 PID: 6858 Comm: syz-executor202 Not tainted 5.9.0-rc6-syzkaller #0 [ 60.926297][ T6858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.936353][ T6858] RIP: 0010:__lock_acquire+0xd38/0x5780 [ 60.941883][ T6858] Code: 69 0b 41 bf 01 00 00 00 0f 86 8e 00 00 00 89 05 0e 10 69 0b e9 83 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 df 31 00 00 49 81 3e 00 15 9a 8c 0f 84 95 f3 ff [ 60.961481][ T6858] RSP: 0018:ffffc90001287700 EFLAGS: 00010006 [ 60.967534][ T6858] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.975501][ T6858] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018 [ 60.983467][ T6858] RBP: ffff888098110440 R08: 0000000000000001 R09: 0000000000000000 [ 60.992305][ T6858] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 61.000323][ T6858] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 61.011173][ T6858] FS: 0000000001283880(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 [ 61.020218][ T6858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.026800][ T6858] CR2: 000000002100003f CR3: 00000000967b8000 CR4: 00000000001506e0 [ 61.034755][ T6858] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.042771][ T6858] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.050738][ T6858] Call Trace: [ 61.054028][ T6858] ? _raw_spin_unlock_irqrestore+0x6f/0x90 [ 61.059825][ T6858] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 61.065808][ T6858] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 61.071766][ T6858] ? split_huge_page_to_list+0x502/0x34c0 [ 61.077472][ T6858] lock_acquire+0x1f3/0xaf0 [ 61.081976][ T6858] ? madvise_cold_or_pageout_pte_range+0xb0d/0x2f10 [ 61.088546][ T6858] ? lock_release+0x8f0/0x8f0 [ 61.093213][ T6858] ? can_split_huge_page+0x400/0x400 [ 61.098474][ T6858] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 61.104436][ T6858] ? lock_is_held_type+0xbb/0xf0 [ 61.110323][ T6858] _raw_spin_lock+0x2a/0x40 [ 61.114804][ T6858] ? madvise_cold_or_pageout_pte_range+0xb0d/0x2f10 [ 61.121374][ T6858] madvise_cold_or_pageout_pte_range+0xb0d/0x2f10 [ 61.127780][ T6858] ? do_madvise.part.0+0x1d00/0x1d00 [ 61.133042][ T6858] ? __lock_acquire+0x164a/0x5780 [ 61.138145][ T6858] ? do_madvise.part.0+0x1d00/0x1d00 [ 61.143448][ T6858] __walk_page_range+0xeed/0x22c0 [ 61.148548][ T6858] ? walk_page_test+0x78/0x180 [ 61.153300][ T6858] walk_page_range+0x20d/0x400 [ 61.158039][ T6858] ? __walk_page_range+0x22c0/0x22c0 [ 61.163298][ T6858] madvise_pageout+0x21b/0x390 [ 61.168037][ T6858] ? madvise_free_single_vma+0x550/0x550 [ 61.173642][ T6858] ? down_read+0x10a/0x420 [ 61.178042][ T6858] ? vmacache_find+0x62/0x330 [ 61.182710][ T6858] ? find_vma_prev+0x7d/0x260 [ 61.188173][ T6858] do_madvise.part.0+0x659/0x1d00 [ 61.193178][ T6858] ? randomize_stack_top+0x100/0x100 [ 61.198446][ T6858] ? swapin_walk_pmd_entry+0x7b0/0x7b0 [ 61.203887][ T6858] ? fput_many+0x2f/0x1a0 [ 61.208190][ T6858] ? lock_is_held_type+0xbb/0xf0 [ 61.213111][ T6858] ? syscall_enter_from_user_mode+0x1d/0x60 [ 61.218978][ T6858] __x64_sys_madvise+0xd9/0x110 [ 61.223804][ T6858] do_syscall_64+0x2d/0x70 [ 61.228199][ T6858] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.234061][ T6858] RIP: 0033:0x4440e9 [ 61.238116][ T6858] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 db d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.257698][ T6858] RSP: 002b:00007ffe3d6e6d88 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 61.267060][ T6858] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 00000000004440e9 [ 61.275008][ T6858] RDX: 0000000000000015 RSI: 0000000000600003 RDI: 0000000020000000 [ 61.284209][ T6858] RBP: 00000000006ce018 R08: 0000000000000000 R09: 0000000000000000 [ 61.292168][ T6858] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000401d50 [ 61.300132][ T6858] R13: 0000000000401de0 R14: 0000000000000000 R15: 0000000000000000 [ 61.308178][ T6858] Modules linked in: [ 61.312066][ T6858] ---[ end trace 320e3be6ad589d08 ]--- [ 61.317500][ T6858] RIP: 0010:__lock_acquire+0xd38/0x5780 [ 61.323054][ T6858] Code: 69 0b 41 bf 01 00 00 00 0f 86 8e 00 00 00 89 05 0e 10 69 0b e9 83 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 df 31 00 00 49 81 3e 00 15 9a 8c 0f 84 95 f3 ff [ 61.342689][ T6858] RSP: 0018:ffffc90001287700 EFLAGS: 00010006 [ 61.348743][ T6858] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.357124][ T6858] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018 [ 61.368631][ T6858] RBP: ffff888098110440 R08: 0000000000000001 R09: 0000000000000000 [ 61.376576][ T6858] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 61.384527][ T6858] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 61.392496][ T6858] FS: 0000000001283880(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 [ 61.402288][ T6858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.409552][ T6858] CR2: 000000002100003f CR3: 00000000967b8000 CR4: 00000000001506e0 [ 61.417519][ T6858] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.425483][ T6858] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.433592][ T6858] Kernel panic - not syncing: Fatal exception [ 61.442278][ T6858] Kernel Offset: disabled [ 61.446594][ T6858] Rebooting in 86400 seconds..