INFO: task syz-executor.3:4772 blocked for more than 143 seconds.
Not tainted 5.15.170-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27520 pid: 4772 ppid: 4457 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
rwsem_down_write_slowpath+0xf0c/0x16a0 kernel/locking/rwsem.c:1165
filemap_invalidate_lock include/linux/fs.h:834 [inline]
blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
vfs_fallocate+0x54a/0x6b0 fs/open.c:308
ksys_fallocate fs/open.c:331 [inline]
__do_sys_fallocate fs/open.c:339 [inline]
__se_sys_fallocate fs/open.c:337 [inline]
__x64_sys_fallocate+0xb9/0x100 fs/open.c:337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ffabe18b959
RSP: 002b:00007ffabd50d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007ffabe2aaf80 RCX: 00007ffabe18b959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007ffabe1e7c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ffabe2aaf80 R15: 00007ffff23cd498
INFO: task syz-executor.1:4779 blocked for more than 143 seconds.
Not tainted 5.15.170-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27520 pid: 4779 ppid: 4463 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
rwsem_down_write_slowpath+0xf0c/0x16a0 kernel/locking/rwsem.c:1165
filemap_invalidate_lock include/linux/fs.h:834 [inline]
blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
vfs_fallocate+0x54a/0x6b0 fs/open.c:308
ksys_fallocate fs/open.c:331 [inline]
__do_sys_fallocate fs/open.c:339 [inline]
__se_sys_fallocate fs/open.c:337 [inline]
__x64_sys_fallocate+0xb9/0x100 fs/open.c:337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f46bee95959
RSP: 002b:00007f46be2170c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f46befb4f80 RCX: 00007f46bee95959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f46beef1c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f46befb4f80 R15: 00007ffc7eb53fa8
INFO: task syz-executor.2:4787 blocked for more than 144 seconds.
Not tainted 5.15.170-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26488 pid: 4787 ppid: 4461 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
rwsem_down_write_slowpath+0xf0c/0x16a0 kernel/locking/rwsem.c:1165
filemap_invalidate_lock include/linux/fs.h:834 [inline]
blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
vfs_fallocate+0x54a/0x6b0 fs/open.c:308
ksys_fallocate fs/open.c:331 [inline]
__do_sys_fallocate fs/open.c:339 [inline]
__se_sys_fallocate fs/open.c:337 [inline]
__x64_sys_fallocate+0xb9/0x100 fs/open.c:337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7e22260959
RSP: 002b:00007f7e215e20c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f7e2237ff80 RCX: 00007f7e22260959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f7e222bcc88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7e2237ff80 R15: 00007ffc2a2c2e58
INFO: task syz-executor.5:4791 blocked for more than 144 seconds.
Not tainted 5.15.170-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27352 pid: 4791 ppid: 4458 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
rwsem_down_write_slowpath+0xf0c/0x16a0 kernel/locking/rwsem.c:1165
filemap_invalidate_lock include/linux/fs.h:834 [inline]
blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
vfs_fallocate+0x54a/0x6b0 fs/open.c:308
ksys_fallocate fs/open.c:331 [inline]
__do_sys_fallocate fs/open.c:339 [inline]
__se_sys_fallocate fs/open.c:337 [inline]
__x64_sys_fallocate+0xb9/0x100 fs/open.c:337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2d5493f959
RSP: 002b:00007f2d53cc10c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f2d54a5ef80 RCX: 00007f2d5493f959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f2d5499bc88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2d54a5ef80 R15: 00007ffc4b7615f8
INFO: task syz-executor.4:4794 blocked for more than 144 seconds.
Not tainted 5.15.170-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:26624 pid: 4794 ppid: 4462 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
rwsem_down_write_slowpath+0xf0c/0x16a0 kernel/locking/rwsem.c:1165
filemap_invalidate_lock include/linux/fs.h:834 [inline]
blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
vfs_fallocate+0x54a/0x6b0 fs/open.c:308
ksys_fallocate fs/open.c:331 [inline]
__do_sys_fallocate fs/open.c:339 [inline]
__se_sys_fallocate fs/open.c:337 [inline]
__x64_sys_fallocate+0xb9/0x100 fs/open.c:337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd64080e959
RSP: 002b:00007fd63fb900c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fd64092df80 RCX: 00007fd64080e959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007fd64086ac88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd64092df80 R15: 00007ffe2fd90318
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8c91fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
4 locks held by kworker/u4:3/155:
2 locks held by getty/3920:
#0: ffff88802bdfc098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
1 lock held by syz-executor.0/4701:
1 lock held by syz-executor.3/4772:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.1/4779:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.2/4787:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.5/4791:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.4/4794:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.0/4979:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.1/5019:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.3/5045:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.4/5049:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.5/5051:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.2/5053:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.0/5070:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.1/5095:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.3/5126:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.4/5159:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.2/5162:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
1 lock held by syz-executor.5/5164:
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline]
#0: ffff888140908978 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 block/fops.c:600
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.170-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xe72/0xeb0 kernel/hung_task.c:295
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4701 Comm: syz-executor.0 Not tainted 5.15.170-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:blk_bio_segment_split block/blk-merge.c:257 [inline]
RIP: 0010:__blk_queue_split+0xa9c/0x1770 block/blk-merge.c:350
Code: 31 ff 89 b4 24 ac 00 00 00 e8 80 c0 91 fd 45 31 ed c7 44 24 1c 00 00 00 00 c7 44 24 18 00 00 00 00 44 8b 74 24 68 49 c1 e6 04 <48> 8b b4 24 a0 00 00 00 4a 8d 1c 36 48 89 d8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc90003057540 EFLAGS: 00000202
RAX: 000000000000000b RBX: 0000000000000000 RCX: ffff88801e4c9dc0
RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000000001000
RBP: ffffc900030576d0 R08: ffffffff83eebb4f R09: ffffc90003057660
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90003057660 R14: 0000000000000610 R15: 00000000000000ff
FS: 00007f70ba8836c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555742ff938 CR3: 00000000247b9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
blk_mq_submit_bio+0x239/0x1c40 block/blk-mq.c:2212
__submit_bio+0x813/0x850 block/blk-core.c:917
__submit_bio_noacct_mq block/blk-core.c:997 [inline]
submit_bio_noacct+0xa44/0xb30 block/blk-core.c:1027
submit_bio+0x2dd/0x560 block/blk-core.c:1089
blk_next_bio block/blk-lib.c:19 [inline]
__blkdev_issue_zero_pages+0x155/0x3b0 block/blk-lib.c:319
blkdev_issue_zeroout+0x2c5/0x470 block/blk-lib.c:413
blkdev_fallocate+0x3d1/0x4e0
vfs_fallocate+0x54a/0x6b0 fs/open.c:308
ksys_fallocate fs/open.c:331 [inline]
__do_sys_fallocate fs/open.c:339 [inline]
__se_sys_fallocate fs/open.c:337 [inline]
__x64_sys_fallocate+0xb9/0x100 fs/open.c:337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f70bb501959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f70ba8830c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f70bb620f80 RCX: 00007f70bb501959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f70bb55dc88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f70bb620f80 R15: 00007ffe03a13598