INFO: task syz-executor.1:31539 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27848 pid:31539 tgid:31538 ppid:5118 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x120/0x330 kernel/locking/rwsem.c:1528
filemap_invalidate_lock_shared include/linux/fs.h:857 [inline]
page_cache_ra_unbounded+0x13a/0x5f0 mm/readahead.c:225
do_page_cache_ra mm/readahead.c:299 [inline]
page_cache_ra_order+0x7d7/0xaa0 mm/readahead.c:544
ondemand_readahead+0x493/0x1130 mm/readahead.c:666
page_cache_sync_ra+0x174/0x1d0 mm/readahead.c:693
page_cache_sync_readahead include/linux/pagemap.h:1283 [inline]
filemap_get_pages+0xc06/0x1830 mm/filemap.c:2497
filemap_read+0x39b/0xcf0 mm/filemap.c:2593
blkdev_read_iter+0x191/0x510 block/fops.c:757
call_read_iter include/linux/fs.h:2079 [inline]
new_sync_read fs/read_write.c:395 [inline]
vfs_read+0x4d4/0x8f0 fs/read_write.c:476
ksys_read+0x12f/0x250 fs/read_write.c:619
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9112e7cd29
RSP: 002b:00007f9113b810c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f9112fabf80 RCX: 00007f9112e7cd29
RDX: 0000000000001000 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00007f9112ec947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9112fabf80 R15: 00007f91130cfa48
INFO: task syz-executor.2:31545 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27960 pid:31545 tgid:31542 ppid:5120 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
__down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
filemap_invalidate_lock include/linux/fs.h:847 [inline]
blkdev_fallocate+0x1e9/0x450 block/fops.c:800
vfs_fallocate+0x4b4/0xf70 fs/open.c:328
ksys_fallocate fs/open.c:351 [inline]
__do_sys_fallocate fs/open.c:359 [inline]
__se_sys_fallocate fs/open.c:357 [inline]
__x64_sys_fallocate+0xd5/0x140 fs/open.c:357
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f69cb47cd29
RSP: 002b:00007f69cc1590c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f69cb5abf80 RCX: 00007f69cb47cd29
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005
RBP: 00007f69cb4c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f69cb5abf80 R15: 00007f69cb6cfa48
INFO: task syz-executor.5:31575 blocked for more than 144 seconds.
Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28208 pid:31575 tgid:31574 ppid:5117 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
__down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
filemap_invalidate_lock include/linux/fs.h:847 [inline]
blkdev_fallocate+0x1e9/0x450 block/fops.c:800
vfs_fallocate+0x4b4/0xf70 fs/open.c:328
ksys_fallocate fs/open.c:351 [inline]
__do_sys_fallocate fs/open.c:359 [inline]
__se_sys_fallocate fs/open.c:357 [inline]
__x64_sys_fallocate+0xd5/0x140 fs/open.c:357
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f8adc27cd29
RSP: 002b:00007f8adcfe50c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f8adc3abf80 RCX: 00007f8adc27cd29
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004
RBP: 00007f8adcfe5120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007f8adc3abf80 R15: 00007f8adc4cfa48
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4510 Comm: klogd Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x60 kernel/kcov.c:207
Code: fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 48 8b 14 25 80 c2 03 00 <65> 8b 05 d4 ad 7b 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74
RSP: 0018:ffffc9000315f7a0 EFLAGS: 00000286
RAX: 0000000000000001 RBX: ffffc9000315fb93 RCX: ffffffff8a74c1fd
RDX: ffff88807d6b1dc0 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000e19520 R12: ffffc9000315fb93
R13: 00000000ffffffff R14: ffffc9008315fb8a R15: 0000000000000030
FS: 00007f5418076380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005628f6558600 CR3: 0000000029ab8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
number+0x727/0xb80 lib/vsprintf.c:556
vsnprintf+0x905/0x1870 lib/vsprintf.c:2890
sprintf+0xcd/0x100 lib/vsprintf.c:3028
print_time kernel/printk/printk.c:1324 [inline]
info_print_prefix+0x258/0x350 kernel/printk/printk.c:1350
record_print_text+0x143/0x410 kernel/printk/printk.c:1399
syslog_print+0x4e5/0x5d0 kernel/printk/printk.c:1610
do_syslog+0x2d4/0x580 kernel/printk/printk.c:1728
__do_sys_syslog kernel/printk/printk.c:1820 [inline]
__se_sys_syslog kernel/printk/printk.c:1818 [inline]
__x64_sys_syslog+0x74/0xb0 kernel/printk/printk.c:1818
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f54181d7fa7
Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffdbabe0218 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f54183764a0 RCX: 00007f54181d7fa7
RDX: 00000000000003ff RSI: 00007f54183764a0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000007 R09: eda21fb1933d99e4
R10: 0000000000004000 R11: 0000000000000206 R12: 00007f54183764a0
R13: 00007f5418366212 R14: 00007f5418376865 R15: 00007f5418376865