INFO: task syz-executor225:5035 blocked for more than 143 seconds.
Not tainted 6.5.0-rc3-syzkaller-00297-gd31e3792919e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor225 state:D stack:28176 pid:5035 ppid:5030 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
rwsem_down_write_slowpath+0x53e/0x1290 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d3/0x200 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:816 [inline]
blkdev_fallocate+0x1e6/0x3e0 block/fops.c:659
vfs_fallocate+0x46c/0xe80 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xd5/0x140 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f572f29ab29
RSP: 002b:00007ffd087021c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f572f29ab29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd087023e8 R14: 00007ffd087021f0 R15: 00007ffd087021e0
INFO: task syz-executor225:5036 blocked for more than 143 seconds.
Not tainted 6.5.0-rc3-syzkaller-00297-gd31e3792919e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor225 state:D stack:28176 pid:5036 ppid:5032 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
rwsem_down_write_slowpath+0x53e/0x1290 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d3/0x200 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:816 [inline]
blkdev_fallocate+0x1e6/0x3e0 block/fops.c:659
vfs_fallocate+0x46c/0xe80 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xd5/0x140 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f572f29ab29
RSP: 002b:00007ffd087021c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f572f29ab29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd087023e8 R14: 00007ffd087021f0 R15: 00007ffd087021e0
INFO: task syz-executor225:5054 blocked for more than 143 seconds.
Not tainted 6.5.0-rc3-syzkaller-00297-gd31e3792919e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor225 state:D stack:27128 pid:5054 ppid:5026 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
rwsem_down_write_slowpath+0x53e/0x1290 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d3/0x200 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:816 [inline]
blkdev_fallocate+0x1e6/0x3e0 block/fops.c:659
vfs_fallocate+0x46c/0xe80 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xd5/0x140 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f572f29ab29
RSP: 002b:00007ffd087021c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f572f29ab29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 7fffffffffffffff R11: 0000000000000246 R12: 000000000000e125
R13: 00007ffd087021dc R14: 00007ffd087021f0 R15: 00007ffd087021e0
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c9a5970 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c9a5670 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
#0: ffffffff8c9a6580 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
1 lock held by klogd/4469:
2 locks held by getty/4780:
#0: ffff88802cf5a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 drivers/tty/n_tty.c:2187
1 lock held by syz-executor225/5034:
1 lock held by syz-executor225/5035:
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:659
1 lock held by syz-executor225/5036:
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:659
1 lock held by syz-executor225/5054:
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:659
1 lock held by syz-executor225/5055:
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:659
1 lock held by syz-executor225/5062:
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff8881488670c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:659
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc3-syzkaller-00297-gd31e3792919e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2ac/0x310 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+0xf29/0x11b0 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4469 Comm: klogd Not tainted 6.5.0-rc3-syzkaller-00297-gd31e3792919e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:is_kfence_address include/linux/kfence.h:58 [inline]
RIP: 0010:kfence_free include/linux/kfence.h:184 [inline]
RIP: 0010:__slab_free+0x3d/0x480 mm/slub.c:3606
Code: 54 53 48 89 d3 48 83 e4 f0 48 83 c4 80 48 8d 54 24 40 48 89 7c 24 30 48 89 4c 24 28 48 89 d7 b9 08 00 00 00 48 89 da f3 48 ab <48> 8b 05 a4 73 d1 0c 48 29 c2 48 81 fa ff ff 1f 00 77 09 48 85 c0
RSP: 0018:ffffc9000319f720 EFLAGS: 00000283
RAX: 0000000000000000 RBX: ffff88807b134400 RCX: 0000000000000000
RDX: ffff88807b134400 RSI: ffffea0001ec4c00 RDI: ffffc9000319f7a0
RBP: ffffc9000319f7d0 R08: 0000000000000001 R09: ffffffff81da84cc
R10: 0000000000000000 R11: dffffc0000000000 R12: dffffc0000000000
R13: ffffc9000319f820 R14: 0000000000000001 R15: ffffea0001ec4c00
FS: 00007fafbca99380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f572f3110d0 CR3: 000000002c545000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292
____kasan_kmalloc mm/kasan/common.c:340 [inline]
__kasan_kmalloc+0x86/0xb0 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:196 [inline]
__do_kmalloc_node mm/slab_common.c:985 [inline]
__kmalloc_node_track_caller+0x5e/0x100 mm/slab_common.c:1005
kmalloc_reserve+0xef/0x270 net/core/skbuff.c:575
__alloc_skb+0x12b/0x330 net/core/skbuff.c:644
alloc_skb include/linux/skbuff.h:1289 [inline]
alloc_skb_with_frags+0x9d/0x700 net/core/skbuff.c:6233
sock_alloc_send_pskb+0x7c8/0x950 net/core/sock.c:2782
unix_dgram_sendmsg+0x455/0x1c30 net/unix/af_unix.c:1953
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xd9/0x180 net/socket.c:748
__sys_sendto+0x255/0x340 net/socket.c:2134
__do_sys_sendto net/socket.c:2146 [inline]
__se_sys_sendto net/socket.c:2142 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2142
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fafbcbfb9b5
Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffd1702cf88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fafbcbfb9b5
RDX: 0000000000000039 RSI: 0000559e61d36d80 RDI: 0000000000000003
RBP: 0000559e61d32910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007fafbcd89212 R14: 00007ffd1702d088 R15: 0000000000000000
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.557 msecs