INFO: task syz-executor.5:23333 blocked for more than 144 seconds.
Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28736 pid:23333 ppid:17249 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5178 [inline]
__schedule+0xadf/0x5270 kernel/sched/core.c:6490
schedule+0xda/0x1b0 kernel/sched/core.c:6566
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106
__flush_work+0x58d/0xae0 kernel/workqueue.c:3073
__cancel_work_timer+0x3f9/0x570 kernel/workqueue.c:3160
p9_conn_destroy net/9p/trans_fd.c:890 [inline]
p9_fd_close+0x328/0x580 net/9p/trans_fd.c:920
p9_client_create+0x97a/0x1070 net/9p/client.c:1001
v9fs_session_init+0x1e2/0x1810 fs/9p/v9fs.c:408
v9fs_mount+0xba/0xc90 fs/9p/vfs_super.c:126
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1530
do_new_mount fs/namespace.c:3040 [inline]
path_mount+0x1326/0x1e20 fs/namespace.c:3370
do_mount fs/namespace.c:3383 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3568
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa5b9e8b5a9
RSP: 002b:00007fa5bb0bc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa5b9fac050 RCX: 00007fa5b9e8b5a9
RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
RBP: 00007fa5b9ee6580 R08: 0000000020000340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff93fd3b7f R14: 00007fa5bb0bc300 R15: 0000000000022000
INFO: task syz-executor.1:23382 blocked for more than 145 seconds.
Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28736 pid:23382 ppid:3616 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5178 [inline]
__schedule+0xadf/0x5270 kernel/sched/core.c:6490
schedule+0xda/0x1b0 kernel/sched/core.c:6566
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106
__flush_work+0x58d/0xae0 kernel/workqueue.c:3073
__cancel_work_timer+0x3f9/0x570 kernel/workqueue.c:3160
p9_conn_destroy net/9p/trans_fd.c:890 [inline]
p9_fd_close+0x328/0x580 net/9p/trans_fd.c:920
p9_client_create+0x97a/0x1070 net/9p/client.c:1001
v9fs_session_init+0x1e2/0x1810 fs/9p/v9fs.c:408
v9fs_mount+0xba/0xc90 fs/9p/vfs_super.c:126
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1530
do_new_mount fs/namespace.c:3040 [inline]
path_mount+0x1326/0x1e20 fs/namespace.c:3370
do_mount fs/namespace.c:3383 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3568
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe05b08b5a9
RSP: 002b:00007fe05c20d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe05b1ac050 RCX: 00007fe05b08b5a9
RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
RBP: 00007fe05b0e6580 R08: 0000000020000340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8685f65f R14: 00007fe05c20d300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xbf9/0xf30 kernel/hung_task.c:377
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 13921 Comm: kworker/u4:26 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:kasan_report+0x6/0x1e0 mm/kasan/report.c:474
Code: ff ff ff 48 83 c4 38 5b 5d 41 5c c3 0f 0b e9 1d ff ff ff 0f 0b e9 64 ff ff ff e9 9b e9 77 07 e9 96 e9 77 07 41 57 41 56 41 55 <41> 54 55 53 48 83 ec 40 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 6f
RSP: 0018:ffffc90005df7998 EFLAGS: 00000017
RAX: ffff7fffffffffff RBX: ffffffff8de0fa8c RCX: ffffffff812cbbcf
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 00002aaaaaaabf64
RBP: ffffffff8f5207ba R08: 0000000000000001 R09: 00002aaaaaaabf65
R10: fffffbfff1ea40f7 R11: 0000000000000001 R12: 0000000000000001
R13: 00002aaaaaaabf64 R14: 0000000000000f65 R15: ffffffff8c0ce540
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6afcca0260 CR3: 000000013fe1f000 CR4: 0000000000350ef0
Call Trace:
check_region_inline mm/kasan/generic.c:183 [inline]
kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
memcpy+0x39/0x60 mm/kasan/shadow.c:66
__text_poke+0x33f/0x8e0 arch/x86/kernel/alternative.c:1156
text_poke arch/x86/kernel/alternative.c:1217 [inline]
text_poke_bp_batch+0x445/0x6b0 arch/x86/kernel/alternative.c:1566
text_poke_flush arch/x86/kernel/alternative.c:1670 [inline]
text_poke_flush arch/x86/kernel/alternative.c:1667 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1677
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
jump_label_update+0x32f/0x410 kernel/jump_label.c:801
static_key_enable_cpuslocked+0x1b1/0x260 kernel/jump_label.c:177
static_key_enable+0x16/0x20 kernel/jump_label.c:190
toggle_allocation_gate mm/kfence/core.c:811 [inline]
toggle_allocation_gate+0x100/0x390 mm/kfence/core.c:803
process_one_work+0x991/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306