INFO: task syz-executor.3:8499 can't die for more than 143 seconds.
task:syz-executor.3 state:R running task stack:23544 pid: 8499 ppid: 18637 flags:0x00104006
Call Trace:
context_switch kernel/sched/core.c:4983 [inline]
__schedule+0xab2/0x4d90 kernel/sched/core.c:6293
schedule+0xd2/0x260 kernel/sched/core.c:6366
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
reclaim_throttle+0x489/0x5e0 mm/vmscan.c:1072
shrink_node+0x1410/0x1eb0 mm/vmscan.c:3324
shrink_zones mm/vmscan.c:3485 [inline]
do_try_to_free_pages+0x491/0x1620 mm/vmscan.c:3541
try_to_free_pages+0x29f/0x750 mm/vmscan.c:3776
__perform_reclaim mm/page_alloc.c:4603 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:4624 [inline]
__alloc_pages_slowpath.constprop.0+0xa9e/0x2080 mm/page_alloc.c:5014
__alloc_pages+0x412/0x500 mm/page_alloc.c:5389
alloc_pages+0x1a7/0x300 mm/mempolicy.c:2192
__get_free_pages+0x8/0x40 mm/page_alloc.c:5425
kasan_populate_vmalloc_pte mm/kasan/shadow.c:271 [inline]
kasan_populate_vmalloc_pte+0x25/0x160 mm/kasan/shadow.c:262
apply_to_pte_range mm/memory.c:2518 [inline]
apply_to_pmd_range mm/memory.c:2562 [inline]
apply_to_pud_range mm/memory.c:2598 [inline]
apply_to_p4d_range mm/memory.c:2634 [inline]
__apply_to_page_range+0x694/0x1080 mm/memory.c:2668
alloc_vmap_area+0xa7a/0x1dc0 mm/vmalloc.c:1569
__get_vm_area_node.constprop.0+0x128/0x380 mm/vmalloc.c:2434
get_vm_area_caller mm/vmalloc.c:2477 [inline]
vmap+0x130/0x320 mm/vmalloc.c:2768
relay_alloc_buf kernel/relay.c:129 [inline]
relay_create_buf kernel/relay.c:165 [inline]
relay_open_buf.part.0+0x4b2/0xc00 kernel/relay.c:387
relay_open_buf kernel/relay.c:384 [inline]
relay_open kernel/relay.c:520 [inline]
relay_open+0x4fb/0xa00 kernel/relay.c:477
do_blk_trace_setup+0x4c3/0xc80 kernel/trace/blktrace.c:549
__blk_trace_setup+0xca/0x180 kernel/trace/blktrace.c:589
blk_trace_setup+0x43/0x60 kernel/trace/blktrace.c:607
sg_ioctl_common drivers/scsi/sg.c:1123 [inline]
sg_ioctl+0x257/0x2780 drivers/scsi/sg.c:1165
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f6a71703ae9
RSP: 002b:00007f6a6ec79188 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6a71816f60 RCX: 00007f6a71703ae9
RDX: 0000000020000100 RSI: 00000000c0481273 RDI: 0000000000000004
RBP: 00007f6a7175df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff66b3cf6f R14: 00007f6a6ec79300 R15: 0000000000022000
INFO: task syz-executor.3:8507 can't die for more than 144 seconds.
task:syz-executor.3 state:D
stack:26112 pid: 8507 ppid: 18637 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4983 [inline]
__schedule+0xab2/0x4d90 kernel/sched/core.c:6293
schedule+0xd2/0x260 kernel/sched/core.c:6366
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
blk_trace_remove+0x1e/0x40 kernel/trace/blktrace.c:364
sg_ioctl_common drivers/scsi/sg.c:1131 [inline]
sg_ioctl+0x486/0x2780 drivers/scsi/sg.c:1165
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f6a71703ae9
RSP: 002b:00007f6a6ec58188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6a71817020 RCX: 00007f6a71703ae9
RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000004
RBP: 00007f6a7175df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff66b3cf6f R14: 00007f6a6ec58300 R15: 0000000000022000
INFO: task syz-executor.3:8507 blocked for more than 145 seconds.
Not tainted 5.16.0-rc2-next-20211125-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26112 pid: 8507 ppid: 18637 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4983 [inline]
__schedule+0xab2/0x4d90 kernel/sched/core.c:6293
schedule+0xd2/0x260 kernel/sched/core.c:6366
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
blk_trace_remove+0x1e/0x40 kernel/trace/blktrace.c:364
sg_ioctl_common drivers/scsi/sg.c:1131 [inline]
sg_ioctl+0x486/0x2780 drivers/scsi/sg.c:1165
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f6a71703ae9
RSP: 002b:00007f6a6ec58188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6a71817020 RCX: 00007f6a71703ae9
RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000004
RBP: 00007f6a7175df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff66b3cf6f R14: 00007f6a6ec58300 R15: 0000000000022000
INFO: task syz-executor.3:8545 can't die for more than 145 seconds.
task:syz-executor.3 state:D
stack:29592 pid: 8545 ppid: 18637 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4983 [inline]
__schedule+0xab2/0x4d90 kernel/sched/core.c:6293
schedule+0xd2/0x260 kernel/sched/core.c:6366
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
blk_trace_setup+0x2f/0x60 kernel/trace/blktrace.c:606
sg_ioctl_common drivers/scsi/sg.c:1123 [inline]
sg_ioctl+0x257/0x2780 drivers/scsi/sg.c:1165
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f6a71703ae9
RSP: 002b:00007f6a6ec16188 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6a718171a0 RCX: 00007f6a71703ae9
RDX: 0000000020000100 RSI: 00000000c0481273 RDI: 0000000000000004
RBP: 00007f6a7175df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff66b3cf6f R14: 00007f6a6ec16300 R15: 0000000000022000
INFO: task syz-executor.3:8545 blocked for more than 146 seconds.
Not tainted 5.16.0-rc2-next-20211125-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D
stack:29592 pid: 8545 ppid: 18637 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4983 [inline]
__schedule+0xab2/0x4d90 kernel/sched/core.c:6293
schedule+0xd2/0x260 kernel/sched/core.c:6366
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
blk_trace_setup+0x2f/0x60 kernel/trace/blktrace.c:606
sg_ioctl_common drivers/scsi/sg.c:1123 [inline]
sg_ioctl+0x257/0x2780 drivers/scsi/sg.c:1165
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f6a71703ae9
RSP: 002b:00007f6a6ec16188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6a718171a0 RCX: 00007f6a71703ae9
RDX: 0000000020000100 RSI: 00000000c0481273 RDI: 0000000000000004
RBP: 00007f6a7175df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff66b3cf6f R14: 00007f6a6ec16300 R15: 0000000000022000
INFO: task syz-executor.5:8513 can't die for more than 146 seconds.
task:syz-executor.5 state:D
stack:28184 pid: 8513 ppid: 16669 flags:0x00104004
Call Trace:
context_switch kernel/sched/core.c:4983 [inline]
__schedule+0xab2/0x4d90 kernel/sched/core.c:6293
schedule+0xd2/0x260 kernel/sched/core.c:6366
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
blk_trace_remove+0x1e/0x40 kernel/trace/blktrace.c:364
sg_ioctl_common drivers/scsi/sg.c:1131 [inline]
sg_ioctl+0x486/0x2780 drivers/scsi/sg.c:1165
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f01a6a9dae9
RSP: 002b:00007f01a4013188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f01a6bb0f60 RCX: 00007f01a6a9dae9
RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000004
RBP: 00007f01a6af7f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffcf1762ef R14: 00007f01a4013300 R15: 0000000000022000
INFO: task syz-executor.5:8513 blocked for more than 146 seconds.
Not tainted 5.16.0-rc2-next-20211125-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D
stack:28184 pid: 8513 ppid: 16669 flags:0x00104004
Call Trace:
context_switch kernel/sched/core.c:4983 [inline]
__schedule+0xab2/0x4d90 kernel/sched/core.c:6293
schedule+0xd2/0x260 kernel/sched/core.c:6366
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
blk_trace_remove+0x1e/0x40 kernel/trace/blktrace.c:364
sg_ioctl_common drivers/scsi/sg.c:1131 [inline]
sg_ioctl+0x486/0x2780 drivers/scsi/sg.c:1165
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f01a6a9dae9
RSP: 002b:00007f01a4013188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f01a6bb0f60 RCX: 00007f01a6a9dae9
RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000004
RBP: 00007f01a6af7f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffcf1762ef R14: 00007f01a4013300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb83220 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
1 lock held by khugepaged/33:
#0: ffffffff8bc6a1e8 (lock#5){+.+.}-{3:3}, at: __lru_add_drain_all+0x65/0x760 mm/swap.c:798
3 locks held by kworker/0:2/135:
1 lock held by systemd-journal/2961:
#0: ffff88807edf0f88
(mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
(mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
2 locks held by systemd-udevd/2968:
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x159e/0x21c0 mm/filemap.c:3184
#1: ffffffff8bca94a0 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4600 [inline]
#1: ffffffff8bca94a0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4624 [inline]
#1: ffffffff8bca94a0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x9f5/0x2080 mm/page_alloc.c:5014
2 locks held by systemd-timesyn/3055:
#0:
ffff88801aaddf48 (mapping.invalidate_lock
){++++}-{3:3}
, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
, at: filemap_fault+0x159e/0x21c0 mm/filemap.c:3184
#1: ffffffff8bcaa0a8 (pcpu_drain_mutex){+.+.}-{3:3}, at: __drain_all_pages+0x4f/0x6c0 mm/page_alloc.c:3196
1 lock held by cron/6209:
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
1 lock held by in:imklog/6220:
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
2 locks held by agetty/6370:
#0: ffff888022fed098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252
#1: ffffc900028ac2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113
1 lock held by syz-fuzzer/6505:
#0: ffff888076e03768
(
mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
1 lock held by syz-fuzzer/6506:
#0:
ffff888076e03768
(
mapping.invalidate_lock
){++++}-{3:3}
, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
1 lock held by syz-fuzzer/6510:
#0:
ffff888076e03768
(
mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
1 lock held by syz-executor.1/11146:
#0: ffff88814aefe650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:639
2 locks held by syz-executor.2/21404:
#0: ffff8880147f20e0 (&type->s_umount_key#70){++++}-{3:3}, at: deactivate_super+0xa5/0xd0 fs/super.c:365
#1: ffffffff8bb8cc28 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline]
#1: ffffffff8bb8cc28 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4fa/0x620 kernel/rcu/tree_exp.h:839
1 lock held by syz-executor.2/21835:
#0: ffff88814aefe650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:639
1 lock held by systemd-udevd/23721:
#0: ffff88807eecc160 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff88807eecc160 (mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
1 lock held by systemd-udevd/23735:
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
1 lock held by systemd-udevd/23776:
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff88801aaddf48 (mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
1 lock held by systemd-udevd/25077:
#0: ffff88807eecc160 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff88807eecc160 (mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
2 locks held by systemd-udevd/25705:
#0: ffff88807eecc160
(
mapping.invalidate_lock
){++++}-{3:3}
, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
, at: filemap_fault+0x159e/0x21c0 mm/filemap.c:3184
#1: ffffffff8bca94a0 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4600 [inline]
#1: ffffffff8bca94a0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4624 [inline]
#1: ffffffff8bca94a0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x9f5/0x2080 mm/page_alloc.c:5014
1 lock held by systemd-udevd/26507:
#0: ffff88807eecc160 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff88807eecc160 (mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
1 lock held by systemd-udevd/26590:
#0: ffff88807eecc160 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff88807eecc160 (mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1ae/0x780 mm/readahead.c:194
2 locks held by kworker/1:2/29103:
#0:
ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2270
#1: ffffc90002dc7db0 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2274
7 locks held by kworker/u4:5/29184:
#0: ffff888011913938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011913938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011913938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888011913938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888011913938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888011913938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2270
#1:
ffffc900058afdb0
(net_cleanup_work
){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2274
#2: ffffffff8d2f8850 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xb00 net/core/net_namespace.c:555
#3:
ffffffff8d30cce8 (rtnl_mutex){+.+.}-{3:3}, at: ip6gre_exit_batch_net+0x88/0x760 net/ipv6/ip6_gre.c:1626
#4: ffff8880b9d39d58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:489
#5: ffff8880b9d279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3e7/0x4e0 kernel/sched/psi.c:891
#6: ffffffff8bb83220 (rcu_read_lock){....}-{1:2}, at: list_lru_count_one+0x2f/0x370 mm/list_lru.c:183
3 locks held by syz-executor.3/8499:
#0: ffff88801b1d19f8 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0x2f/0x60 kernel/trace/blktrace.c:606
#1: ffffffff8bbe4508 (relay_channels_mutex){+.+.}-{3:3}, at: relay_open kernel/relay.c:518 [inline]
#1: ffffffff8bbe4508 (relay_channels_mutex){+.+.}-{3:3}, at: relay_open+0x389/0xa00 kernel/relay.c:477
#2: ffffffff8bca94a0 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4600 [inline]
#2: ffffffff8bca94a0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4624 [inline]
#2: ffffffff8bca94a0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x9f5/0x2080 mm/page_alloc.c:5014
1 lock held by syz-executor.3/8507:
#0: ffff88801b1d19f8 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x1e/0x40 kernel/trace/blktrace.c:364
1 lock held by syz-executor.3/8545:
#0: ffff88801b1d19f8 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0x2f/0x60 kernel/trace/blktrace.c:606
1 lock held by syz-executor.5/8513:
#0: ffff88801b1d19f8 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x1e/0x40 kernel/trace/blktrace.c:364
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc2-next-20211125-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+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:256 [inline]
watchdog+0xcb7/0xed0 kernel/hung_task.c:413
kthread+0x405/0x4f0 kernel/kthread.c:345
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18541 Comm: kworker/u4:1 Not tainted 5.16.0-rc2-next-20211125-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:check_preemption_disabled+0x43/0x170 lib/smp_processor_id.c:56
Code: b3 76 65 8b 1d ae f8 b3 76 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db 74 11 0f 1f 44 00 00 44 89 e0 5b 5d 41 5c 41 5d <41> 5e c3 0f 1f 44 00 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de 0f
RSP: 0000:ffffc90003d0fbd8 EFLAGS: 00000002
RAX: 0000000000000000 RBX: ffff888086289d40 RCX: 1ffffffff2099f20
RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: 00000000016340b2 R08: 0000000000000000 R09: ffff88808024d8c3
R10: ffffffff817e287d R11: 0000000000000000 R12: ffffffff88ea72b5
R13: ffff888039c44c80 R14: dffffc0000000000 R15: ffffffff88ea7510
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f862be882d9 CR3: 000000000b88e000 CR4: 00000000003506f0
Call Trace:
lockdep_recursion_finish kernel/locking/lockdep.c:438 [inline]
lockdep_softirqs_on+0x221/0x340 kernel/locking/lockdep.c:4440
__local_bh_enable_ip+0xcd/0x120 kernel/softirq.c:371
spin_unlock_bh include/linux/spinlock.h:399 [inline]
batadv_nc_purge_paths+0x2a5/0x3a0 net/batman-adv/network-coding.c:475
batadv_nc_worker+0x930/0xfa0 net/batman-adv/network-coding.c:726
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2299
worker_thread+0x658/0x11f0 kernel/workqueue.c:2446
kthread+0x405/0x4f0 kernel/kthread.c:345
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: b3 76 mov $0x76,%bl
2: 65 8b 1d ae f8 b3 76 mov %gs:0x76b3f8ae(%rip),%ebx # 0x76b3f8b7
9: 81 e3 ff ff ff 7f and $0x7fffffff,%ebx
f: 31 ff xor %edi,%edi
11: 89 de mov %ebx,%esi
13: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
18: 85 db test %ebx,%ebx
1a: 74 11 je 0x2d
1c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
21: 44 89 e0 mov %r12d,%eax
24: 5b pop %rbx
25: 5d pop %rbp
26: 41 5c pop %r12
28: 41 5d pop %r13
* 2a: 41 5e pop %r14 <-- trapping instruction
2c: c3 retq
2d: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
32: 9c pushfq
33: 5b pop %rbx
34: 81 e3 00 02 00 00 and $0x200,%ebx
3a: 31 ff xor %edi,%edi
3c: 48 89 de mov %rbx,%rsi
3f: 0f .byte 0xf