Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in packet_sendmsg / packet_setsockopt (2) net | 6 | 1 | 1572d | 1572d | 0/29 | auto-closed as invalid on 2021/05/17 10:01 |
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Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in packet_sendmsg / packet_setsockopt (2) net | 6 | 1 | 1572d | 1572d | 0/29 | auto-closed as invalid on 2021/05/17 10:01 |
================================================================== BUG: KCSAN: data-race in packet_sendmsg / packet_setsockopt write to 0xffff888011b16530 of 8 bytes by task 21371 on cpu 0: packet_setsockopt+0xfdd/0x2390 net/packet/af_packet.c:3941 __sys_setsockopt+0x2e8/0x460 net/socket.c:2115 __do_sys_setsockopt net/socket.c:2126 [inline] __se_sys_setsockopt net/socket.c:2123 [inline] __x64_sys_setsockopt+0x62/0x70 net/socket.c:2123 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888011b16530 of 8 bytes by task 21376 on cpu 1: packet_snd net/packet/af_packet.c:3006 [inline] packet_sendmsg+0x2c60/0x3350 net/packet/af_packet.c:3031 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x352/0x4c0 net/socket.c:2345 ___sys_sendmsg net/socket.c:2399 [inline] __sys_sendmmsg+0x335/0x4b0 net/socket.c:2489 __do_sys_sendmmsg net/socket.c:2518 [inline] __se_sys_sendmmsg net/socket.c:2515 [inline] __x64_sys_sendmmsg+0x53/0x60 net/socket.c:2515 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 21376 Comm: syz-executor.3 Not tainted 5.11.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 21376 Comm: syz-executor.3 Not tainted 5.11.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x116/0x15d lib/dump_stack.c:120 panic+0x1e7/0x5fa kernel/panic.c:231 kcsan_report+0x67b/0x680 kernel/kcsan/report.c:634 kcsan_setup_watchpoint+0x47b/0x4e0 kernel/kcsan/core.c:568 packet_snd net/packet/af_packet.c:3006 [inline] packet_sendmsg+0x2c60/0x3350 net/packet/af_packet.c:3031 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x352/0x4c0 net/socket.c:2345 ___sys_sendmsg net/socket.c:2399 [inline] __sys_sendmmsg+0x335/0x4b0 net/socket.c:2489 __do_sys_sendmmsg net/socket.c:2518 [inline] __se_sys_sendmmsg net/socket.c:2515 [inline] __x64_sys_sendmmsg+0x53/0x60 net/socket.c:2515 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e219 Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbd6dcd3c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045e219 RDX: 000000000400004e RSI: 0000000020000d00 RDI: 0000000000000005 RBP: 000000000119c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034 R13: 00007ffeee22846f R14: 00007fbd6dcd49c0 R15: 000000000119c034 Kernel Offset: disabled Rebooting in 86400 seconds..
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/01/28 08:19 | upstream | 76c057c84d28 | eefc07f2 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in packet_sendmsg / packet_setsockopt | |||
2020/12/26 03:47 | upstream | 5814bc2d4cc2 | 821e0b09 | .config | console log | report | info | ci2-upstream-kcsan-gce |