| TITLE: BUG: using __this_cpu_read() in preemptible code in ipcomp_init_state |
| |
| [ 177.880417] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/27031 |
| [ 177.889042] caller is __this_cpu_preempt_check+0x13/0x20 |
| [ 177.894472] CPU: 0 PID: 27031 Comm: syz-executor6 Not tainted 4.4.105-ge303a83 #5 |
| [ 177.902067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 177.911395] 0000000000000000 b8d1e2d1adfb9027 ffff8800b8bd76b8 ffffffff81cc9b4f |
| [ 177.919376] 0000000000000000 ffffffff839fd4a0 ffff8800b8bd76f8 ffffffff81d28d58 |
| [ 177.927362] ffffffff83d093a0 ffff8800b54fe980 dffffc0000000000 ffffffff83cff4e0 |
| [ 177.935373] Call Trace: |
| [ 177.937937] [<ffffffff81cc9b4f>] dump_stack+0x8e/0xcf |
| [ 177.943193] [<ffffffff81d28d58>] check_preemption_disabled+0x1b8/0x1f0 |
| [ 177.949927] [<ffffffff81d28dc3>] __this_cpu_preempt_check+0x13/0x20 |
| [ 177.956394] [<ffffffff832a4598>] ipcomp_init_state+0x168/0x8e0 |
| [ 177.962431] [<ffffffff83206e7e>] ipcomp4_init_state+0x9e/0x840 |
| ... |
| [ 178.145972] [<ffffffff82d9790d>] SyS_sendmsg+0xd/0x20 |
| [ 178.151212] [<ffffffff8374ab36>] entry_SYSCALL_64_fastpath+0x16/0x76 |
| [ 179.050698] FAULT_FLAG_ALLOW_RETRY missing 30 |
| [ 179.055286] FAULT_FLAG_ALLOW_RETRY missing 30 |
| [ 179.068541] CPU: 0 PID: 27437 Comm: syz-executor2 Not tainted 4.4.105-ge303a83 #5 |
| [ 179.076171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 179.085503] 0000000000000000 eea7e857f9d96285 ffff8801d6267980 ffffffff81cc9b4f |
| [ 179.093510] 1ffff1003ac4cf3b 0000000000000030 ffff8801d6267b20 ffffffff815db71b |
| [ 179.101505] ffff8800b901a320 ffff8800b901a320 ffff8800b901a320 ffff8801d6267af8 |
| [ 179.109501] Call Trace: |
| [ 179.112067] [<ffffffff81cc9b4f>] dump_stack+0x8e/0xcf |
| [ 179.117323] [<ffffffff815db71b>] handle_userfault+0x75b/0x1570 |
| ... |
| [ 179.219186] [<ffffffff8374ab36>] entry_SYSCALL_64_fastpath+0x16/0x76 |
