watchdog: BUG: soft lockup - CPU#1 stuck for 134s! [syz-executor5:6928]
watchdog: BUG: soft lockup - CPU#0 stuck for 134s! [syz-executor5:6947]
Modules linked in:
irq event stamp: 3072410
hardirqs last  enabled at (3072409): [<0000000019ac0f9b>] restore_regs_and_return_to_kernel+0x0/0x21
hardirqs last disabled at (3072410): [<00000000f638f6a6>] apic_timer_interrupt+0xa4/0xb0 arch/x86/entry/entry_64.S:920
softirqs last  enabled at (902800): [<0000000080d79922>] __do_softirq+0x637/0x99f kernel/softirq.c:311
softirqs last disabled at (902725): [<0000000001eda051>] invoke_softirq kernel/softirq.c:365 [inline]
softirqs last disabled at (902725): [<0000000001eda051>] irq_exit+0x1cc/0x200 kernel/softirq.c:405
CPU: 0 PID: 6947 Comm: syz-executor5 Not tainted 4.15.0-rc6-mm1+ #51
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__write_once_size include/linux/compiler.h:217 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x50 kernel/kcov.c:109
RSP: 0018:ffff8801d4e47938 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
RAX: 0000000000010000 RBX: ffffc9000129e5c3 RCX: ffffffff83b7e2b4
RDX: 0000000000010000 RSI: ffffc900027a0000 RDI: ffffc9000129bb86
RBP: ffff8801d4e47938 R08: fffff52000253771 R09: fffff52000253771
R10: 0000000000000001 R11: fffff52000253770 R12: 00000000ffff8284
R13: ffffc9000129bb86 R14: ffff8801bdeb8900 R15: dffffc0000000000
FS:  00007f1141f29700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000071c000 CR3: 00000001d5bc9001 CR4: 00000000001606f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 cvt_s16_to_native sound/core/oss/mulaw.c:162 [inline]
 mulaw_decode+0x434/0x740 sound/core/oss/mulaw.c:195
 mulaw_transfer+0x222/0x270 sound/core/oss/mulaw.c:273
 snd_pcm_plug_write_transfer+0x22c/0x390 sound/core/oss/pcm_plugin.c:619
 snd_pcm_oss_write2+0x22e/0x3c0 sound/core/oss/pcm_oss.c:1310
 snd_pcm_oss_write1 sound/core/oss/pcm_oss.c:1371 [inline]
 snd_pcm_oss_write+0x4c1/0x690 sound/core/oss/pcm_oss.c:2645
 __vfs_write+0xef/0x740 fs/read_write.c:480
 vfs_write+0x189/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xd4/0x1a0 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x452ac9
RSP: 002b:00007f1141f28c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452ac9
RDX: 00000000ffffffa2 RSI: 0000000020001000 RDI: 0000000000000019
RBP: 0000000000000522 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f5bd0
R13: 00000000ffffffff R14: 00007f1141f296d4 R15: 0000000000000010
Code: 8b 90 b8 12 00 00 83 fa 02 75 20 48 8b b0 c0 12 00 00 8b 80 bc 12 00 00 48 8b 16 48 83 c2 01 48 39 d0 76 07 48 89 0c d6 48 89 16 <5d> c3 0f 1f 00 55 65 48 8b 04 25 c0 ed 01 00 65 44 8b 05 1e dd