INFO: task syz.7.3007:25159 blocked for more than 143 seconds.
Not tainted 6.13.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.3007 state:D stack:23376 pid:25159 tgid:25158 ppid:22054 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
do_async_mmap_readahead mm/filemap.c:3231 [inline]
filemap_fault+0x818/0x1490 mm/filemap.c:3330
__do_fault+0x135/0x390 mm/memory.c:4907
do_read_fault mm/memory.c:5322 [inline]
do_fault mm/memory.c:5456 [inline]
do_pte_missing mm/memory.c:3979 [inline]
handle_pte_fault+0x39eb/0x5ed0 mm/memory.c:5801
__handle_mm_fault mm/memory.c:5944 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6112
faultin_page mm/gup.c:1196 [inline]
__get_user_pages+0x1c82/0x49e0 mm/gup.c:1494
populate_vma_page_range+0x264/0x330 mm/gup.c:1932
__mm_populate+0x27a/0x460 mm/gup.c:2035
mm_populate include/linux/mm.h:3396 [inline]
vm_mmap_pgoff+0x2c3/0x3d0 mm/util.c:585
ksys_mmap_pgoff+0x4eb/0x720 mm/mmap.c:542
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7f42b85d29
RSP: 002b:00007f7f4397f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f7f42d75fa0 RCX: 00007f7f42b85d29
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f7f42c01b08 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7f42d75fa0 R15: 00007f7f42e9fa28
INFO: task syz.1.3014:25177 blocked for more than 144 seconds.
Not tainted 6.13.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.3014 state:D stack:23008 pid:25177 tgid:25176 ppid:22925 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
do_sync_mmap_readahead+0x499/0x970
filemap_fault+0x8a9/0x1490 mm/filemap.c:3344
__do_fault+0x135/0x390 mm/memory.c:4907
do_read_fault mm/memory.c:5322 [inline]
do_fault mm/memory.c:5456 [inline]
do_pte_missing mm/memory.c:3979 [inline]
handle_pte_fault+0x39eb/0x5ed0 mm/memory.c:5801
__handle_mm_fault mm/memory.c:5944 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6112
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8b0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x30/0x70 arch/x86/lib/copy_user_64.S:57
Code: f9 40 73 40 83 f9 08 73 21 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 <48> 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08
RSP: 0018:ffffc9000485fd90 EFLAGS: 00050212
RAX: 0000000000000001 RBX: 00000000200000c0 RCX: 0000000000000010
RDX: 0000000000000001 RSI: 00000000200000c0 RDI: ffffc9000485fe50
RBP: ffffc9000485ff00 R08: ffffc9000485fe5f R09: 1ffff9200090bfcb
R10: dffffc0000000000 R11: fffff5200090bfcc R12: 00000000200000c0
R13: 1ffff9200090bfc0 R14: ffffc9000485fe50 R15: 0000000000000010
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x7f/0xc0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
seccomp_prepare_user_filter kernel/seccomp.c:728 [inline]
seccomp_set_mode_filter kernel/seccomp.c:1953 [inline]
do_seccomp+0x20b/0xf90 kernel/seccomp.c:2073
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f57e9d85d29
RSP: 002b:00007f57eab21038 EFLAGS: 00000246 ORIG_RAX: 000000000000013d
RAX: ffffffffffffffda RBX: 00007f57e9f75fa0 RCX: 00007f57e9d85d29
RDX: 00000000200000c0 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 00007f57e9e01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f57e9f75fa0 R15: 00007f57ea09fa28
INFO: task syz.1.3014:25181 blocked for more than 145 seconds.
Not tainted 6.13.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.3014 state:D stack:25968 pid:25181 tgid:25176 ppid:22925 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
do_sync_mmap_readahead+0x499/0x970
filemap_fault+0x8a9/0x1490 mm/filemap.c:3344
__do_fault+0x135/0x390 mm/memory.c:4907
do_read_fault mm/memory.c:5322 [inline]
do_fault mm/memory.c:5456 [inline]
do_pte_missing mm/memory.c:3979 [inline]
handle_pte_fault+0x39eb/0x5ed0 mm/memory.c:5801
__handle_mm_fault mm/memory.c:5944 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6112
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8b0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x30/0x70 arch/x86/lib/copy_user_64.S:57
Code: f9 40 73 40 83 f9 08 73 21 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 <48> 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08
RSP: 0018:ffffc90003dafa50 EFLAGS: 00050202
RAX: 0000000000000001 RBX: 0000000020000080 RCX: 0000000000000018
RDX: 0000000000000001 RSI: 0000000020000080 RDI: ffffc90003dafb20
RBP: ffffc90003dafd10 R08: ffffc90003dafb37 R09: 1ffff920007b5f66
R10: dffffc0000000000 R11: fffff520007b5f67 R12: 0000000020000080
R13: dffffc0000000000 R14: ffffc90003dafb20 R15: 0000000000000018
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x7f/0xc0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
copy_from_sockptr_offset include/linux/sockptr.h:48 [inline]
copy_from_sockptr include/linux/sockptr.h:61 [inline]
do_ip_vs_set_ctl+0x2f8/0x13d0 net/netfilter/ipvs/ip_vs_ctl.c:2715
nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101
do_sock_setsockopt+0x3af/0x720 net/socket.c:2313
__sys_setsockopt net/socket.c:2338 [inline]
__do_sys_setsockopt net/socket.c:2344 [inline]
__se_sys_setsockopt net/socket.c:2341 [inline]
__x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2341
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f57e9d85d29
RSP: 002b:00007f57eab00038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f57e9f76080 RCX: 00007f57e9d85d29
RDX: 000000000000048b RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f57e9e01b08 R08: 0000000000000018 R09: 0000000000000000
R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f57e9f76080 R15: 00007f57ea09fa28
INFO: task syz.1.3014:25183 blocked for more than 145 seconds.
Not tainted 6.13.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.3014 state:D stack:26784 pid:25183 tgid:25176 ppid:22925 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
do_sync_mmap_readahead+0x499/0x970
filemap_fault+0x8a9/0x1490 mm/filemap.c:3344
__do_fault+0x135/0x390 mm/memory.c:4907
do_read_fault mm/memory.c:5322 [inline]
do_fault mm/memory.c:5456 [inline]
do_pte_missing mm/memory.c:3979 [inline]
handle_pte_fault+0x39eb/0x5ed0 mm/memory.c:5801
__handle_mm_fault mm/memory.c:5944 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6112
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8b0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:get_sigset_argpack fs/select.c:783 [inline]
RIP: 0010:__do_sys_pselect6 fs/select.c:799 [inline]
RIP: 0010:__se_sys_pselect6+0xb8/0x3f0 fs/select.c:793
Code: 31 ff 48 89 de e8 98 63 82 ff 48 85 db 4c 89 74 24 58 74 31 48 b8 00 f0 ff ff ff 7f 00 00 48 39 d8 48 19 c0 48 09 d8 0f 01 cb <48> 8b 08 48 8b 40 08 48 89 44 24 18 48 89 4c 24 20 e8 82 5e 82 ff
RSP: 0018:ffffc9000474fde0 EFLAGS: 00050202
RAX: 0000000020000280 RBX: 0000000020000280 RCX: ffff888065c91e00
RDX: ffffc90014344000 RSI: 0000000020000280 RDI: 0000000000000000
RBP: ffffc9000474ff00 R08: ffffffff821d1528 R09: 0000000020000280
R10: dffffc0000000000 R11: fffffbfff2032fcf R12: 1ffff920008e9fc8
R13: dffffc0000000000 R14: 0000000020000180 R15: 0000000020000200
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f57e9d85d29
RSP: 002b:00007f57eaadf038 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
RAX: ffffffffffffffda RBX: 00007f57e9f76160 RCX: 00007f57e9d85d29
RDX: 0000000020000140 RSI: 0000000020000100 RDI: 0000000000000040
RBP: 00007f57e9e01b08 R08: 0000000020000200 R09: 0000000020000280
R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f57e9f76160 R15: 00007f57ea09fa28
Showing all locks held in the system:
1 lock held by ksoftirqd/1/24:
#0: ffff8880b863e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:606
1 lock held by khungtaskd/30:
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
2 locks held by getty/5580:
#0: ffff8880321880a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
5 locks held by kworker/1:4/5877:
#0: ffff8880216f4548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff8880216f4548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc900043cfd00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900043cfd00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffff8880285cd190 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff8880285cd190 (&dev->mutex){....}-{4:4}, at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849
#3: ffff888145fb8510 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3206 [inline]
#3: ffff888145fb8510 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5418 [inline]
#3: ffff888145fb8510 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
#3: ffff888145fb8510 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5821 [inline]
#3: ffff888145fb8510 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x25b9/0x5150 drivers/usb/core/hub.c:5903
#4: ffff888145b7e068 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5419 [inline]
#4: ffff888145b7e068 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
#4: ffff888145b7e068 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5821 [inline]
#4: ffff888145b7e068 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x25f7/0x5150 drivers/usb/core/hub.c:5903
3 locks held by kworker/u8:16/22426:
1 lock held by syz.7.3007/25159:
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
1 lock held by syz.7.3007/25160:
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:813
1 lock held by syz.1.3014/25177:
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
1 lock held by syz.1.3014/25181:
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
1 lock held by syz.1.3014/25183:
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
1 lock held by syz.4.3337/27396:
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
1 lock held by syz.4.3337/27397:
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
1 lock held by syz.7.3442/28126:
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: blk_ioctl_zeroout block/ioctl.c:238 [inline]
#0: ffff8880234c8940 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_common_ioctl+0x14f3/0x2460 block/ioctl.c:572
1 lock held by syz-executor/28295:
5 locks held by kworker/0:5/28305:
#0: ffff8880216f4548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff8880216f4548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc9000c4b7d00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9000c4b7d00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffff88802856d190 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff88802856d190 (&dev->mutex){....}-{4:4}, at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849
#3: ffff88805bc77190 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff88805bc77190 (&dev->mutex){....}-{4:4}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1005
#4: ffff8880284d9868 (hcd->bandwidth_mutex){+.+.}-{4:4}, at: usb_set_configuration+0x4fb/0x1fb0 drivers/usb/core/message.c:2077
2 locks held by syz.8.3481/28385:
#0: ffff8880429a4d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:480 [inline]
#0: ffff8880429a4d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2697
#1: ffff8880429a4078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x5c8/0x11c0 net/bluetooth/hci_sync.c:5200
2 locks held by syz.6.3483/28400:
#0: ffff888035e34d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:480 [inline]
#0: ffff888035e34d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2697
#1: ffff888035e34078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x5c8/0x11c0 net/bluetooth/hci_sync.c:5200
3 locks held by syz.5.3484/28404:
#0: ffff88807f260d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:480 [inline]
#0: ffff88807f260d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2697
#1: ffff88807f260078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x5c8/0x11c0 net/bluetooth/hci_sync.c:5200
#2: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#2: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:976
3 locks held by dhcpcd-run-hook/28445:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 22426 Comm: kworker/u8:16 Not tainted 6.13.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0x6f9/0x2100 kernel/locking/lockdep.c:5176
Code: cb 0f 44 c8 89 4c 24 6c 48 8b 44 24 30 0f b6 04 10 84 c0 0f 85 df 13 00 00 48 8b 04 24 8b 28 41 89 ec ff cd 0f 88 a5 00 00 00 <89> eb 83 fd 31 73 7b 48 8d 04 9b 48 8d 5c c6 20 48 89 d8 48 c1 e8
RSP: 0018:ffffc900032f78f0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000060762 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffff88802c4946e0 RDI: ffffffff942a4880
RBP: 0000000000000000 R08: ffffffff942a4887 R09: 1ffffffff2854910
R10: dffffc0000000000 R11: fffffbfff2854911 R12: 0000000000000001
R13: ffff88802c493c00 R14: 1ffff110058928ea R15: ffff88802c494750
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055774b6d4950 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xec/0x610 net/batman-adv/network-coding.c:719
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244