syzbot

audit: type=1804 audit(1661724994.568:1155): pid=9924 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir1573584385/syzkaller.N2FahN/1574/bus" dev="sda1" ino=16094 res=1
------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:27!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8136 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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:ffff8880994d7ab0 EFLAGS: 00010293
RAX: ffff888099fce000 RBX: 0770007707700077 RCX: ffffffff812b5e78
RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006
RBP: 0770007787700077 R08: 0000000000000000 R09: 0770007787700077
R10: 0000000000000006 R11: 0000000000000000 R12: 077077f707700077
R13: ffff8880994d7b08 R14: 0000000000000000 R15: 0000000000000286
FS:  00005555571a4400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000009b3b1000 CR4: 00000000003406e0
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
 getname_flags+0xce/0x590 fs/namei.c:140
 getname fs/namei.c:211 [inline]
 do_rmdir+0x97/0x490 fs/namei.c:3910
 __do_sys_unlinkat fs/namei.c:4105 [inline]
 __se_sys_unlinkat fs/namei.c:4099 [inline]
 __x64_sys_unlinkat+0xdf/0x120 fs/namei.c:4099
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fba7a89bbe7
Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8f88c4f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007fba7a89bbe7
RDX: 0000000000000200 RSI: 00007ffe8f88d680 RDI: 00000000ffffff9c
RBP: 00007ffe8f88c5c0 R08: 0000000000000000 R09: 00007ffe8f88c390
R10: 00005555571a58e3 R11: 0000000000000207 R12: 00007fba7a8f52ce
R13: 00007ffe8f88d680 R14: 00005555571a5810 R15: 00007ffe8f88d6c0
Modules linked in:
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kernel BUG at arch/x86/mm/physaddr.c:27!
audit: type=1804 audit(1661724994.568:1156): pid=9920 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir1573584385/syzkaller.N2FahN/1574/bus" dev="sda1" ino=16094 res=1
invalid opcode: 0000 [#2] PREEMPT SMP KASAN
audit: type=1800 audit(1661724994.618:1157): pid=9937 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="SYSV00000000" dev="hugetlbfs" ino=196612 res=0
CPU: 1 PID: 4692 Comm: systemd-journal Tainted: G      D           4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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
audit: type=1800 audit(1661724994.748:1158): pid=9953 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="SYSV00000000" dev="hugetlbfs" ino=294919 res=0
RSP: 0018:ffff8880a1367af8 EFLAGS: 00010293
RAX: ffff8880a135a580 RBX: 0007770000000077 RCX: ffffffff812b5e78
RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006
RBP: 0007770080000077 R08: 0000000000000000 R09: 0007770080000077
R10: 0000000000000006 R11: 0000000000000009 R12: 0007ee8000000077
R13: ffff8880a1367b50 R14: 0000000000000000 R15: 0000000000000286
FS:  00007fc168b478c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e7d8d1e160 CR3: 00000000a10e4000 CR4: 00000000003406e0
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
 getname_flags+0xce/0x590 fs/namei.c:140
 do_sys_open+0x26c/0x520 fs/open.c:1079
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc1680d685d
Code: bb 20 00 00 75 10 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 67 f6 ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffc96bfd230 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ffc96bfd540 RCX: 00007fc1680d685d
RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 000055f8b1a61820
RBP: 000000000000000d R08: 000000000000ffc0 R09: 00000000ffffffff
R10: 0000000000000069 R11: 0000000000000293 R12: 00000000ffffffff
R13: 000055f8b1a5d040 R14: 00007ffc96bfd500 R15: 000055f8b1a69250
Modules linked in:
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kernel BUG at arch/x86/mm/physaddr.c:27!
invalid opcode: 0000 [#3] PREEMPT SMP KASAN
CPU: 1 PID: 7761 Comm: in:imklog Tainted: G      D           4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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:ffff88809340f798 EFLAGS: 00010293
RAX: ffff8880ab6d00c0 RBX: 0077777000777770 RCX: ffffffff812b5e78
RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006
RBP: 0077777080777770 R08: 0000000000000000 R09: 0077777080777770
R10: 0000000000000006 R11: ffffffff8869f7b4 R12: 0077eef000777770
R13: ffff88809340f7f0 R14: 0000000000000000 R15: 0000000000000286
FS:  00007f0e7236a700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e7d8d1e160 CR3: 00000000b358d000 CR4: 00000000003406e0
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
---[ end trace dee9c17fc5a4e175 ]---
RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27
 slab_post_alloc_hook mm/slab.h:445 [inline]
 slab_alloc mm/slab.c:3397 [inline]
 kmem_cache_alloc_trace+0x11a/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
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
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
RSP: 0018:ffff8880994d7ab0 EFLAGS: 00010293
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
RAX: ffff888099fce000 RBX: 0770007707700077 RCX: ffffffff812b5e78
RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006
RBP: 0770007787700077 R08: 0000000000000000 R09: 0770007787700077
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
R10: 0000000000000006 R11: 0000000000000000 R12: 077077f707700077
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f0e749ad22d
Code: c1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 4e fc ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 97 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007f0e72349580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
R13: ffff8880994d7b08 R14: 0000000000000000 R15: 0000000000000286
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e749ad22d
RDX: 0000000000001fa0 RSI: 00007f0e72349da0 RDI: 0000000000000004
RBP: 0000559e9c7889d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f0e72349da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f0e72349e12
FS:  00005555571a4400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
Modules linked in:
---[ end trace dee9c17fc5a4e176 ]---
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27
CR2: 0000001b30538000 CR3: 000000009b3b1000 CR4: 00000000003406f0
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
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
RSP: 0018:ffff8880994d7ab0 EFLAGS: 00010293
RAX: ffff888099fce000 RBX: 0770007707700077 RCX: ffffffff812b5e78
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---[ end trace dee9c17fc5a4e177 ]---