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BUG: assuming atomic context at net/core/flow_dissector.c:737 in_atomic(): 0, irqs_disabled(): 0, pid: 7674, name: syz-executor.3 2 locks held by syz-executor.3/7674: #0: 00000000363cac26 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 drivers/net/tun.c:1850 #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 net/core/flow_dissector.c:822 CPU: 1 PID: 7674 Comm: syz-executor.3 Not tainted 5.1.0+ #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 __cant_sleep kernel/sched/core.c:6165 [inline] __cant_sleep.cold+0xa3/0xbb kernel/sched/core.c:6142 bpf_flow_dissect+0xfe/0x390 net/core/flow_dissector.c:737 __skb_flow_dissect+0x362/0x4bb0 net/core/flow_dissector.c:853 skb_flow_dissect_flow_keys_basic include/linux/skbuff.h:1322 [inline] skb_probe_transport_header include/linux/skbuff.h:2500 [inline] skb_probe_transport_header include/linux/skbuff.h:2493 [inline] tun_get_user+0x2cfe/0x3ff0 drivers/net/tun.c:1940 tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2037 call_write_iter include/linux/fs.h:1872 [inline] do_iter_readv_writev+0x5fd/0x900 fs/read_write.c:693 do_iter_write fs/read_write.c:970 [inline] do_iter_write+0x184/0x610 fs/read_write.c:951 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1015 do_writev+0x15b/0x330 fs/read_write.c:1058 __do_sys_writev fs/read_write.c:1131 [inline] __se_sys_writev fs/read_write.c:1128 [inline] __x64_sys_writev+0x75/0xb0 fs/read_write.c:1128 do_syscall_64+0x103/0x670 arch/x86/entry/common.c:298 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c61 Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f6914c37ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 RDX: 0000000000000001 RSI: 00007f6914c37c00 RDI: 00000000000000f0 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6914c386d4 R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/05/13 03:56 | net-next-old | b970afcfcabd | 5f302c04 | .config | console log | report | syz | ci-upstream-net-kasan-gce | ||||
2019/05/12 20:11 | net-next-old | b970afcfcabd | 5f302c04 | .config | console log | report | syz | ci-upstream-net-kasan-gce | ||||
2019/05/13 07:30 | upstream | d7a02fa0a8f9 | 16ab1e89 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/05/13 02:44 | upstream | d7a02fa0a8f9 | 5f302c04 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2019/05/13 02:41 | upstream | 47782361aca2 | 5f302c04 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/05/10 22:38 | upstream | b970afcfcabd | cfeec859 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/05/15 09:14 | bpf | e2f7fc0ac695 | bd4e3ac7 | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2019/05/14 05:08 | bpf | e2f7fc0ac695 | 7c305b44 | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2019/05/13 02:37 | bpf | 6b1d90b7b35b | 5f302c04 | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2019/05/12 22:42 | bpf | a5e4bff6105d | 5f302c04 | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2019/05/12 07:29 | net-old | 8f779443b440 | c017728b | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2019/05/10 22:38 | bpf | 3ef4641fbf87 | cfeec859 | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2019/05/13 02:36 | bpf-next | 80f232121b69 | 5f302c04 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/05/13 02:36 | net-next-old | b970afcfcabd | 5f302c04 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/05/12 19:02 | net-next-old | b970afcfcabd | 5f302c04 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/05/11 16:55 | bpf-next | 80f232121b69 | 46caad94 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/05/10 22:34 | net-next-old | b970afcfcabd | cfeec859 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/05/10 22:32 | bpf-next | 80f232121b69 | cfeec859 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/05/13 02:42 | linux-next | a802303934b3 | 5f302c04 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |