INFO: task syz-executor.1:5247 blocked for more than 143 seconds.
Not tainted 5.16.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:21104 pid: 5247 ppid: 6524 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
schedule+0x12b/0x1f0 kernel/sched/core.c:6326
rwsem_down_read_slowpath+0x541/0x980 kernel/locking/rwsem.c:996
__down_read_common+0xaa/0x450 kernel/locking/rwsem.c:1224
filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
page_cache_ra_unbounded+0x1b8/0x9f0 mm/readahead.c:194
page_cache_sync_readahead include/linux/pagemap.h:1013 [inline]
filemap_get_pages+0x4b9/0x1ac0 mm/filemap.c:2556
filemap_read+0x3f6/0x10f0 mm/filemap.c:2642
call_read_iter include/linux/fs.h:2156 [inline]
generic_file_splice_read+0x482/0x760 fs/splice.c:311
do_splice_to fs/splice.c:796 [inline]
splice_direct_to_actor+0x45f/0xd00 fs/splice.c:870
do_splice_direct+0x291/0x3e0 fs/splice.c:979
do_sendfile+0x6fe/0x1040 fs/read_write.c:1245
__do_sys_sendfile64 fs/read_write.c:1310 [inline]
__se_sys_sendfile64+0x171/0x1d0 fs/read_write.c:1296
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fa8d6c4fae9
RSP: 002b:00007fa8d41c5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fa8d6d62f60 RCX: 00007fa8d6c4fae9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007fa8d6ca9f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000080006 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdf4ab652f R14: 00007fa8d41c5300 R15: 0000000000022000
INFO: task syz-executor.2:5246 blocked for more than 144 seconds.
Not tainted 5.16.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27088 pid: 5246 ppid: 6526 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
schedule+0x12b/0x1f0 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0xd47/0x1440 kernel/locking/rwsem.c:1117
__down_write_common kernel/locking/rwsem.c:1272 [inline]
__down_write kernel/locking/rwsem.c:1281 [inline]
down_write+0x163/0x170 kernel/locking/rwsem.c:1528
filemap_invalidate_lock include/linux/fs.h:828 [inline]
blk_ioctl_zeroout block/ioctl.c:180 [inline]
blkdev_common_ioctl+0x187f/0x2000 block/ioctl.c:484
blkdev_ioctl+0x2f8/0x790 block/ioctl.c:603
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f409b5ddae9
RSP: 002b:00007f4098b53188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f409b6f0f60 RCX: 00007f409b5ddae9
RDX: 0000000020000000 RSI: 000000000000127f RDI: 0000000000000003
RBP: 00007f409b637f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdeeabcabf R14: 00007f4098b53300 R15: 0000000000022000
INFO: task syz-executor.0:5251 blocked for more than 144 seconds.
Not tainted 5.16.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24752 pid: 5251 ppid: 6522 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
schedule+0x12b/0x1f0 kernel/sched/core.c:6326
rwsem_down_read_slowpath+0x541/0x980 kernel/locking/rwsem.c:996
__down_read_common+0xaa/0x450 kernel/locking/rwsem.c:1224
filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
page_cache_ra_unbounded+0x1b8/0x9f0 mm/readahead.c:194
page_cache_sync_readahead include/linux/pagemap.h:1013 [inline]
filemap_get_pages+0x4b9/0x1ac0 mm/filemap.c:2556
filemap_read+0x3f6/0x10f0 mm/filemap.c:2642
call_read_iter include/linux/fs.h:2156 [inline]
generic_file_splice_read+0x482/0x760 fs/splice.c:311
do_splice_to fs/splice.c:796 [inline]
splice_direct_to_actor+0x45f/0xd00 fs/splice.c:870
do_splice_direct+0x291/0x3e0 fs/splice.c:979
do_sendfile+0x6fe/0x1040 fs/read_write.c:1245
__do_sys_sendfile64 fs/read_write.c:1310 [inline]
__se_sys_sendfile64+0x171/0x1d0 fs/read_write.c:1296
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc280ca5ae9
RSP: 002b:00007fc27e1fa188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fc280db9020 RCX: 00007fc280ca5ae9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007fc280cfff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000080006 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdbb0ec5ef R14: 00007fc27e1fa300 R15: 0000000000022000
INFO: task syz-executor.4:5259 blocked for more than 145 seconds.
Not tainted 5.16.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:25136 pid: 5259 ppid: 6541 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
schedule+0x12b/0x1f0 kernel/sched/core.c:6326
rwsem_down_read_slowpath+0x541/0x980 kernel/locking/rwsem.c:996
__down_read_common+0xaa/0x450 kernel/locking/rwsem.c:1224
filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
page_cache_ra_unbounded+0x1b8/0x9f0 mm/readahead.c:194
page_cache_sync_readahead include/linux/pagemap.h:1013 [inline]
filemap_get_pages+0x4b9/0x1ac0 mm/filemap.c:2556
filemap_read+0x3f6/0x10f0 mm/filemap.c:2642
call_read_iter include/linux/fs.h:2156 [inline]
generic_file_splice_read+0x482/0x760 fs/splice.c:311
do_splice_to fs/splice.c:796 [inline]
splice_direct_to_actor+0x45f/0xd00 fs/splice.c:870
do_splice_direct+0x291/0x3e0 fs/splice.c:979
do_sendfile+0x6fe/0x1040 fs/read_write.c:1245
__do_sys_sendfile64 fs/read_write.c:1310 [inline]
__se_sys_sendfile64+0x171/0x1d0 fs/read_write.c:1296
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb1b06c1ae9
RSP: 002b:00007fb1adc16188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fb1b07d5020 RCX: 00007fb1b06c1ae9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007fb1b071bf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000080006 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff630972f R14: 00007fb1adc16300 R15: 0000000000022000
INFO: task syz-executor.3:5266 blocked for more than 145 seconds.
Not tainted 5.16.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:25816 pid: 5266 ppid: 10489 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xb72/0x1460 kernel/sched/core.c:6253
schedule+0x12b/0x1f0 kernel/sched/core.c:6326
rwsem_down_read_slowpath+0x541/0x980 kernel/locking/rwsem.c:996
__down_read_common+0xaa/0x450 kernel/locking/rwsem.c:1224
filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
page_cache_ra_unbounded+0x1b8/0x9f0 mm/readahead.c:194
page_cache_sync_readahead include/linux/pagemap.h:1013 [inline]
filemap_get_pages+0x4b9/0x1ac0 mm/filemap.c:2556
filemap_read+0x3f6/0x10f0 mm/filemap.c:2642
call_read_iter include/linux/fs.h:2156 [inline]
generic_file_splice_read+0x482/0x760 fs/splice.c:311
do_splice_to fs/splice.c:796 [inline]
splice_direct_to_actor+0x45f/0xd00 fs/splice.c:870
do_splice_direct+0x291/0x3e0 fs/splice.c:979
do_sendfile+0x6fe/0x1040 fs/read_write.c:1245
__do_sys_sendfile64 fs/read_write.c:1310 [inline]
__se_sys_sendfile64+0x171/0x1d0 fs/read_write.c:1296
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0c4c3f3ae9
RSP: 002b:00007f0c49948188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f0c4c507020 RCX: 00007f0c4c3f3ae9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f0c4c44df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000080006 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd42ade5cf R14: 00007f0c49948300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8cb1dd40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by in:imklog/6200:
#0: ffff88801a94f9f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x24e/0x2f0 fs/file.c:990
2 locks held by agetty/6225:
#0: ffff88807a76f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc900028cc2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 drivers/tty/n_tty.c:2113
1 lock held by syz-executor.5/5230:
2 locks held by syz-executor.5/5234:
1 lock held by syz-executor.1/5247:
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x1b8/0x9f0 mm/readahead.c:194
1 lock held by syz-executor.2/5246:
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:828 [inline]
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:180 [inline]
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x187f/0x2000 block/ioctl.c:484
1 lock held by syz-executor.0/5251:
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x1b8/0x9f0 mm/readahead.c:194
1 lock held by syz-executor.4/5259:
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x1b8/0x9f0 mm/readahead.c:194
1 lock held by syz-executor.3/5266:
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff888145d9acc8 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x1b8/0x9f0 mm/readahead.c:194
5 locks held by kworker/0:6/5271:
#0: ffff8880b9a395d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xc6/0x110 kernel/sched/core.c:486
#1: ffff8880b9a27888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x46c/0x780 kernel/sched/psi.c:871
#2: ffff8880b9a27eb8 (krc.lock){..-.}-{2:2}, at: kfree_rcu_monitor+0x27/0x700 kernel/rcu/tree.c:3332
#3: ffff8880b9a280d8 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x6d3/0xd20 kernel/time/timer.c:1043
#4: ffffffff90ee9098 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x97/0x6a0 lib/debugobjects.c:661
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106
nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc82/0xcd0 kernel/hung_task.c:295
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2960 Comm: systemd-journal Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mark_held_locks kernel/locking/lockdep.c:4194 [inline]
RIP: 0010:__trace_hardirqs_on_caller kernel/locking/lockdep.c:4224 [inline]
RIP: 0010:lockdep_hardirqs_on_prepare+0x201/0x780 kernel/locking/lockdep.c:4292
Code: c7 c7 00 11 6f 8a e8 2e 52 ac 08 65 ff 05 37 de 9c 7e 4d 8d ae 58 0a 00 00 4d 89 ef 49 c1 ef 03 48 ba 00 00 00 00 00 fc ff df <41> 8a 04 17 84 c0 0f 85 0f 04 00 00 41 83 7d 00 00 0f 8e e2 00 00
RSP: 0018:ffffc9000c29fe20 EFLAGS: 00000806
RAX: 0000000000000000 RBX: ffffffffffffffff RCX: ffffffff90bb1903
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000c29fec8 R08: ffffffff818b13b0 R09: fffffbfff1bfd166
R10: fffffbfff1bfd166 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807bb8c458 R14: ffff88807bb8ba00 R15: 1ffff1100f77188b
FS: 00007f91dd7498c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f91dac95000 CR3: 000000007eda6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_hardirqs_on+0x6f/0x80 kernel/trace/trace_preemptirq.c:49
syscall_enter_from_user_mode+0x2e/0x1b0 kernel/entry/common.c:107
do_syscall_64+0x25/0xd0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f91dc9e1f17
Code: ff ff ff 48 8b 4d a0 0f b7 51 fe 48 8b 4d a8 66 89 54 08 fe e9 1a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00
RSP: 002b:00007ffcf25af0c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000027
RAX: ffffffffffffffda RBX: 000055b4b1a5c1e0 RCX: 00007f91dc9e1f17
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 000055b4b1a5c1e0
RBP: 0000000000000b90 R08: 00007ffcf25c5080 R09: 0000000000000000
R10: 00007ffcf25c50a8 R11: 0000000000000202 R12: ffffffffffffffff
R13: 00007ffcf25af158 R14: 000055b4b1200958 R15: 0005d19fcfef216d
----------------
Code disassembly (best guess):
0: c7 c7 00 11 6f 8a mov $0x8a6f1100,%edi
6: e8 2e 52 ac 08 callq 0x8ac5239
b: 65 ff 05 37 de 9c 7e incl %gs:0x7e9cde37(%rip) # 0x7e9cde49
12: 4d 8d ae 58 0a 00 00 lea 0xa58(%r14),%r13
19: 4d 89 ef mov %r13,%r15
1c: 49 c1 ef 03 shr $0x3,%r15
20: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
27: fc ff df
* 2a: 41 8a 04 17 mov (%r15,%rdx,1),%al <-- trapping instruction
2e: 84 c0 test %al,%al
30: 0f 85 0f 04 00 00 jne 0x445
36: 41 83 7d 00 00 cmpl $0x0,0x0(%r13)
3b: 0f .byte 0xf
3c: 8e e2 mov %edx,%fs