syzbot


general protection fault in mm_update_next_owner

Status: auto-closed as invalid on 2020/12/07 18:48
Reported-by: syzbot+f8017a9aac61ba6c069b@syzkaller.appspotmail.com
First crash: 1420d, last: 1301d
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: unable to handle kernel paging request in mm_update_next_owner 21 755d 1282d 0/1 auto-closed as invalid on 2022/06/06 03:00
linux-4.19 general protection fault in mm_update_next_owner (2) 1 487d 487d 0/1 auto-obsoleted due to no activity on 2023/03/01 16:07
linux-4.14 general protection fault in mm_update_next_owner 6 1290d 1508d 0/1 auto-closed as invalid on 2020/12/18 13:04
linux-4.14 general protection fault in mm_update_next_owner (2) 6 1032d 1121d 0/1 auto-closed as invalid on 2021/09/01 20:39
upstream general protection fault in mm_update_next_owner (2) kernel 14 1211d 1414d 0/26 auto-closed as invalid on 2021/03/07 09:36
upstream general protection fault in mm_update_next_owner kernel syz done done 1 1729d 1729d 12/26 fixed on 2019/08/27 17:15
upstream general protection fault in mm_update_next_owner (3) kernel 1 330d 326d 0/26 auto-obsoleted due to no activity on 2023/07/06 16:17

Sample crash report:
9pnet: Insufficient options for proto=fd
kasan: CONFIG_KASAN_INLINE enabled
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14099 Comm: syz-executor.4 Not tainted 4.19.138-syzkaller #0
kasan: GPF could be caused by NULL-ptr deref or user memory access
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:mm_update_next_owner+0x3c6/0x650 kernel/exit.c:452
Code: 48 8d bd 30 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 52 02 00 00 48 8b ad 30 03 00 00 4c 8d 6d 10 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 0f 85 29 02 00 00 48 8b 45 10 48 8d a8 70 fa ff ff 49
RSP: 0018:ffff8881fa80fd48 EFLAGS: 00010202
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: ffffffff813ecb4e
RDX: 0000000000000000 RSI: ffffffff813ecb5c RDI: ffff88800010ebc0
RBP: 0000000000000000 R08: ffff888207290ae0 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888209a36000
R13: 0000000000000010 R14: ffff88820ec5c680 R15: ffff8880a46a7280
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005005d0 CR3: 00000001f4a48000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0xaad/0x2b70 kernel/exit.c:874
 do_group_exit+0x125/0x310 kernel/exit.c:990
 __do_sys_exit_group kernel/exit.c:1001 [inline]
 __se_sys_exit_group kernel/exit.c:999 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:999
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45ce69
Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fff66ac7c58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045ce69
RDX: 0000000000416981 RSI: fffffffffffffff7 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fff66ac7cb0
R10: 0000000001190120 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff66ac7cb0 R14: 0000000000000000 R15: 00007fff66ac7cc0
Modules linked in:
general protection fault: 0000 [#2] PREEMPT SMP KASAN
---[ end trace 8fcc8779ee46f03a ]---
CPU: 1 PID: 14074 Comm: syz-executor.3 Tainted: G      D           4.19.138-syzkaller #0
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:mm_update_next_owner+0x3c6/0x650 kernel/exit.c:452
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:mm_update_next_owner+0x3c6/0x650 kernel/exit.c:452
Code: 48 8d bd 30 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 52 02 00 00 48 8b ad 30 03 00 00 4c 8d 6d 10 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 0f 85 29 02 00 00 48 8b 45 10 48 8d a8 70 fa ff ff 49
RSP: 0018:ffff8881f4b0fd48 EFLAGS: 00010202
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: ffffffff813ecb4e
RDX: 0000000000000000 RSI: ffffffff813ecb5c RDI: ffff88800010ebc0
Code: 48 8d bd 30 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 52 02 00 00 48 8b ad 30 03 00 00 4c 8d 6d 10 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 0f 85 29 02 00 00 48 8b 45 10 48 8d a8 70 fa ff ff 49
RBP: 0000000000000000 R08: ffff888207290ae0 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888209aa1740
R13: 0000000000000010 R14: ffff8881fb48e440 R15: ffff8880a46a7280
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000118c000 CR3: 00000001f4a1d000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
RSP: 0018:ffff8881fa80fd48 EFLAGS: 00010202
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0xaad/0x2b70 kernel/exit.c:874
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: ffffffff813ecb4e
 do_group_exit+0x125/0x310 kernel/exit.c:990
RDX: 0000000000000000 RSI: ffffffff813ecb5c RDI: ffff88800010ebc0
 __do_sys_exit_group kernel/exit.c:1001 [inline]
 __se_sys_exit_group kernel/exit.c:999 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:999
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45ce69
Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RBP: 0000000000000000 R08: ffff888207290ae0 R09: 0000000000000000
RSP: 002b:00007ffcdbe69a78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045ce69
RDX: 0000000000416981 RSI: fffffffffffffff7 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffcdbe69ad0
R10: 0000000001190760 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcdbe69ad0 R14: 0000000000000000 R15: 00007ffcdbe69ae0
Modules linked in:
---[ end trace 8fcc8779ee46f03b ]---
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888209a36000
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:mm_update_next_owner+0x3c6/0x650 kernel/exit.c:452
Code: 48 8d bd 30 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 52 02 00 00 48 8b ad 30 03 00 00 4c 8d 6d 10 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 0f 85 29 02 00 00 48 8b 45 10 48 8d a8 70 fa ff ff 49
RSP: 0018:ffff8881fa80fd48 EFLAGS: 00010202
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: ffffffff813ecb4e
RDX: 0000000000000000 RSI: ffffffff813ecb5c RDI: ffff88800010ebc0
R13: 0000000000000010 R14: ffff88820ec5c680 R15: ffff8880a46a7280
RBP: 0000000000000000 R08: ffff888207290ae0 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888209a36000
R13: 0000000000000010 R14: ffff88820ec5c680 R15: ffff8880a46a7280
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CR2: 000000000118c000 CR3: 00000001f4a1d000 CR4: 00000000001406e0
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
CR2: 00000000005005d0 CR3: 00000001f4a48000 CR4: 00000000001406f0
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/08/09 18:47 linux-4.19.y 961f830af065 70301872 .config console log report ci2-linux-4-19
2020/08/03 17:43 linux-4.19.y 13af6c74b14a 96dd3623 .config console log report ci2-linux-4-19
2020/05/24 13:36 linux-4.19.y 1bab61d3e8cd ce7ca010 .config console log report ci2-linux-4-19
2020/05/08 10:22 linux-4.19.y 84920cc7fbe1 fe4122c3 .config console log report ci2-linux-4-19
2020/04/21 07:17 linux-4.19.y 8488c3f3bc86 98a9f9e6 .config console log report ci2-linux-4-19
2020/04/12 01:54 linux-4.19.y dda0e2920330 a8c6a3f8 .config console log report ci2-linux-4-19
* Struck through repros no longer work on HEAD.