------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:27! can: notifier: receive list not found for dev tap0 invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4698 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27 Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffff88809abd7b30 EFLAGS: 00010293 RAX: ffff88809abcc040 RBX: aaa33a33c99ccc99 RCX: ffffffff812b5e78 RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006 RBP: aaa33a34499ccc99 R08: 0000000000000000 R09: aaa33a34499ccc99 R10: 0000000000000006 R11: 0000000000000000 R12: aaa3b1b3c99ccc99 R13: ffff88809abd7b88 R14: 0000000000000000 R15: 0000000000000286 FS: 00007fc438a0c8c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 audit: type=1804 audit(1634976301.630:296): pid=28082 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir714573290/syzkaller.EMotJq/283/bus" dev="sda1" ino=14216 res=1 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555557c0708 CR3: 000000009ae01000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:665 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xbb/0x140 mm/kasan/quarantine.c:163 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 prepare_creds+0x39/0x510 kernel/cred.c:255 do_faccessat+0x94/0x7a0 fs/open.c:359 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc43787e9c7 Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffec607ff78 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 0000561d63a738b0 RCX: 00007fc43787e9c7 RDX: 00746e657665752f RSI: 0000000000000000 RDI: 00007ffec607ff80 RBP: 00007ffec607fff0 R08: 000000000000cd20 R09: 0000000000001010 R10: 00007fc437b3cb58 R11: 0000000000000246 R12: 0000561d63764856 R13: 0000561d63a70760 R14: 00007ffec607ff80 R15: 0000561d63a6fe30 Modules linked in: ---[ end trace 0e669d01a38b6145 ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27 Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffff88809abd7b30 EFLAGS: 00010293 RAX: ffff88809abcc040 RBX: aaa33a33c99ccc99 RCX: ffffffff812b5e78 RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium RBP: aaa33a34499ccc99 R08: 0000000000000000 R09: aaa33a34499ccc99 R10: 0000000000000006 R11: 0000000000000000 R12: aaa3b1b3c99ccc99 R13: ffff88809abd7b88 R14: 0000000000000000 R15: 0000000000000286 FS: 00007fc438a0c8c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 ubi: mtd0 is already attached to ubi0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f357259e018 CR3: 000000009ae01000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 ubi: mtd0 is already attached to ubi0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400