INFO: task syz.3.35:6880 blocked for more than 143 seconds.
Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.35 state:D stack:27168 pid:6880 tgid:6879 ppid:6568 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
remove_inode_hugepages+0x30a/0xeb0 fs/hugetlbfs/inode.c:665
hugetlbfs_evict_inode+0x22/0x70 fs/hugetlbfs/inode.c:690
evict+0x409/0x970 fs/inode.c:725
iput_final fs/inode.c:1877 [inline]
iput fs/inode.c:1903 [inline]
iput+0x530/0x890 fs/inode.c:1889
dentry_unlink_inode+0x29c/0x480 fs/dcache.c:412
__dentry_kill+0x1d0/0x600 fs/dcache.c:615
dput.part.0+0x4b1/0x9b0 fs/dcache.c:857
dput+0x1f/0x30 fs/dcache.c:847
__fput+0x513/0xb60 fs/file_table.c:439
task_work_run+0x14e/0x250 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xadd/0x2d70 kernel/exit.c:939
do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
get_signal+0x25fb/0x2770 kernel/signal.c:2917
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f148257dff9
RSP: 002b:00007f14832bc0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f1482735f88 RCX: 00007f148257dff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1482735f88
RBP: 00007f1482735f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1482735f8c
R13: 0000000000000000 R14: 00007ffdb5f0b870 R15: 00007ffdb5f0b958
INFO: task syz.4.19:6890 blocked for more than 143 seconds.
Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.19 state:D stack:25824 pid:6890 tgid:6890 ppid:6574 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
hugetlb_wp+0x1b4a/0x3320 mm/hugetlb.c:5894
hugetlb_fault+0x2248/0x2fa0 mm/hugetlb.c:6454
handle_mm_fault+0x930/0xaa0 mm/memory.c:6075
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1338
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f71c1051629
RSP: 002b:00007ffc6e984ba0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffffff7fffff
RDX: 56c655b654a687e4 RSI: 0000000020800000 RDI: 00005555684663c8
RBP: 00007f71c1337a80 R08: 00007f71c1000000 R09: 0000000000000008
R10: 0000000000000000 R11: 0000000000000003 R12: 000000000001a86b
R13: 00007ffc6e984ca0 R14: 0000000000000032 R15: fffffffffffffffe
INFO: task syz.4.19:6893 blocked for more than 144 seconds.
Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.19 state:D stack:28112 pid:6893 tgid:6890 ppid:6574 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
io_schedule+0xbf/0x130 kernel/sched/core.c:7574
folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1309
__folio_lock mm/filemap.c:1647 [inline]
folio_lock include/linux/pagemap.h:1148 [inline]
folio_lock include/linux/pagemap.h:1144 [inline]
__filemap_get_folio+0x6a4/0xaf0 mm/filemap.c:1900
filemap_lock_folio include/linux/pagemap.h:788 [inline]
filemap_lock_hugetlb_folio include/linux/hugetlb.h:795 [inline]
hugetlb_fault+0x16ff/0x2fa0 mm/hugetlb.c:6406
handle_mm_fault+0x930/0xaa0 mm/memory.c:6075
do_user_addr_fault+0x7a3/0x13f0 arch/x86/mm/fault.c:1389
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x33/0x70 arch/x86/lib/copy_user_64.S:58
Code: 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 73 e8 eb
RSP: 0018:ffffc9000364fc40 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: fffff520006c9f98 RSI: ffffc9000364fcb8 RDI: 000000002001d598
RBP: 000000002001d598 R08: 0000000000000000 R09: fffff520006c9f97
R10: ffffc9000364fcbf R11: 0000000000000000 R12: ffffc9000364fcb8
R13: 000000002001d5a0 R14: 00007fffffffefff R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline]
_inline_copy_to_user include/linux/uaccess.h:197 [inline]
_copy_to_user+0xbb/0xd0 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:225 [inline]
msr_read+0x14f/0x250 arch/x86/kernel/msr.c:69
vfs_read+0x1df/0xbe0 fs/read_write.c:567
ksys_read+0x12f/0x260 fs/read_write.c:712
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f71c117dff9
RSP: 002b:00007f71c1ec3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f71c1335f80 RCX: 00007f71c117dff9
RDX: 0000000000018ff8 RSI: 0000000020019680 RDI: 0000000000000003
RBP: 00007f71c11f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f71c1335f80 R15: 00007ffc6e984a38
INFO: task syz.1.58:7022 blocked for more than 144 seconds.
Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.58 state:D stack:27888 pid:7022 tgid:7021 ppid:6560 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
hugetlb_fault+0x307/0x2fa0 mm/hugetlb.c:6326
handle_mm_fault+0x930/0xaa0 mm/memory.c:6075
do_user_addr_fault+0x7a3/0x13f0 arch/x86/mm/fault.c:1389
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x33/0x70 arch/x86/lib/copy_user_64.S:58
Code: 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 73 e8 eb
RSP: 0018:ffffc90002effc40 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: fffff520005dff98 RSI: ffffc90002effcb8 RDI: 000000002002f648
RBP: 000000002002f648 R08: 0000000000000000 R09: fffff520005dff97
R10: ffffc90002effcbf R11: 0000000000000000 R12: ffffc90002effcb8
R13: 000000002002f650 R14: 00007fffffffefff R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline]
_inline_copy_to_user include/linux/uaccess.h:197 [inline]
_copy_to_user+0xbb/0xd0 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:225 [inline]
msr_read+0x14f/0x250 arch/x86/kernel/msr.c:69
vfs_read+0x1df/0xbe0 fs/read_write.c:567
ksys_read+0x12f/0x260 fs/read_write.c:712
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f273c17dff9
RSP: 002b:00007f273cfd3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f273c335f80 RCX: 00007f273c17dff9
RDX: 0000000000018ff8 RSI: 0000000020019680 RDI: 0000000000000003
RBP: 00007f273c1f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f273c335f80 R15: 00007fff67df9da8
INFO: task syz.1.58:7024 blocked for more than 145 seconds.
Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.58 state:D stack:27408 pid:7024 tgid:7021 ppid:6560 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
vfs_fallocate+0x459/0xf90 fs/open.c:333
ksys_fallocate fs/open.c:356 [inline]
__do_sys_fallocate fs/open.c:364 [inline]
__se_sys_fallocate fs/open.c:362 [inline]
__x64_sys_fallocate+0xd9/0x150 fs/open.c:362
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f273c17dff9
RSP: 002b:00007f273cfb2038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f273c336058 RCX: 00007f273c17dff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f273c1f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f273c336058 R15: 00007fff67df9da8
INFO: task syz.0.70:7107 blocked for more than 145 seconds.
Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.70 state:D stack:27600 pid:7107 tgid:7105 ppid:6559 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
hugetlb_fault+0x307/0x2fa0 mm/hugetlb.c:6326
handle_mm_fault+0x930/0xaa0 mm/memory.c:6075
do_user_addr_fault+0x7a3/0x13f0 arch/x86/mm/fault.c:1389
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x33/0x70 arch/x86/lib/copy_user_64.S:58
Code: 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 73 e8 eb
RSP: 0018:ffffc90002d0fc40 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: fffff520005a1f98 RSI: ffffc90002d0fcb8 RDI: 0000000020025f80
RBP: 0000000020025f80 R08: 0000000000000000 R09: fffff520005a1f97
R10: ffffc90002d0fcbf R11: 0000000000000000 R12: ffffc90002d0fcb8
R13: 0000000020025f88 R14: 00007fffffffefff R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline]
_inline_copy_to_user include/linux/uaccess.h:197 [inline]
_copy_to_user+0xbb/0xd0 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:225 [inline]
msr_read+0x14f/0x250 arch/x86/kernel/msr.c:69
vfs_read+0x1df/0xbe0 fs/read_write.c:567
ksys_read+0x12f/0x260 fs/read_write.c:712
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8768b7dff9
RSP: 002b:00007f8769927038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f8768d35f80 RCX: 00007f8768b7dff9
RDX: 0000000000018ff8 RSI: 0000000020019680 RDI: 0000000000000003
RBP: 00007f8768bf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8768d35f80 R15: 00007ffc43b3d058
INFO: task syz.0.70:7109 blocked for more than 146 seconds.
Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.70 state:D stack:27408 pid:7109 tgid:7105 ppid:6559 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
vfs_fallocate+0x459/0xf90 fs/open.c:333
ksys_fallocate fs/open.c:356 [inline]
__do_sys_fallocate fs/open.c:364 [inline]
__se_sys_fallocate fs/open.c:362 [inline]
__x64_sys_fallocate+0xd9/0x150 fs/open.c:362
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8768b7dff9
RSP: 002b:00007f8769906038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f8768d36058 RCX: 00007f8768b7dff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f8768bf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8768d36058 R15: 00007ffc43b3d058
INFO: task syz.2.74:7138 blocked for more than 146 seconds.
Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.74 state:D stack:28216 pid:7138 tgid:7137 ppid:6564 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
hugetlb_fault+0x307/0x2fa0 mm/hugetlb.c:6326
handle_mm_fault+0x930/0xaa0 mm/memory.c:6075
do_user_addr_fault+0x7a3/0x13f0 arch/x86/mm/fault.c:1389
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x33/0x70 arch/x86/lib/copy_user_64.S:58
Code: 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 73 e8 eb
RSP: 0018:ffffc900044d7c40 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: fffff5200089af98 RSI: ffffc900044d7cb8 RDI: 000000002002f620
RBP: 000000002002f620 R08: 0000000000000000 R09: fffff5200089af97
R10: ffffc900044d7cbf R11: 0000000000000000 R12: ffffc900044d7cb8
R13: 000000002002f628 R14: 00007fffffffefff R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline]
_inline_copy_to_user include/linux/uaccess.h:197 [inline]
_copy_to_user+0xbb/0xd0 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:225 [inline]
msr_read+0x14f/0x250 arch/x86/kernel/msr.c:69
vfs_read+0x1df/0xbe0 fs/read_write.c:567
ksys_read+0x12f/0x260 fs/read_write.c:712
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c7a97dff9
RSP: 002b:00007f4c7b849038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f4c7ab35f80 RCX: 00007f4c7a97dff9
RDX: 0000000000018ff8 RSI: 0000000020019680 RDI: 0000000000000003
RBP: 00007f4c7a9f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4c7ab35f80 R15: 00007ffce41ee8b8
INFO: task syz.2.74:7140 blocked for more than 147 seconds.
Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.74 state:D stack:27408 pid:7140 tgid:7137 ppid:6564 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
vfs_fallocate+0x459/0xf90 fs/open.c:333
ksys_fallocate fs/open.c:356 [inline]
__do_sys_fallocate fs/open.c:364 [inline]
__se_sys_fallocate fs/open.c:362 [inline]
__x64_sys_fallocate+0xd9/0x150 fs/open.c:362
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c7a97dff9
RSP: 002b:00007f4c7b828038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f4c7ab36058 RCX: 00007f4c7a97dff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f4c7a9f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4c7ab36058 R15: 00007ffce41ee8b8
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
3 locks held by kworker/u8:6/1778:
5 locks held by kworker/u8:8/3554:
2 locks held by getty/5576:
#0: ffff8880365920a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900032332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
1 lock held by syz.3.35/6880:
#0: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: remove_inode_hugepages+0x30a/0xeb0 fs/hugetlbfs/inode.c:665
2 locks held by syz.4.19/6890:
#0: ffff888032ffc9b8 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline]
#0: ffff888032ffc9b8 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlb_wp+0x1b4a/0x3320 mm/hugetlb.c:5894
3 locks held by syz.4.19/6893:
#0: ffff88805e011e18 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:163 [inline]
#0: ffff88805e011e18 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:6114 [inline]
#0: ffff88805e011e18 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x35/0x6a0 mm/memory.c:6174
#1: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlb_fault+0x307/0x2fa0 mm/hugetlb.c:6326
#2: ffff88805ddda8e8 (&resv_map->rw_sema){++++}-{3:3}, at: hugetlb_vma_lock_read mm/hugetlb.c:276 [inline]
#2: ffff88805ddda8e8 (&resv_map->rw_sema){++++}-{3:3}, at: hugetlb_vma_lock_read+0x105/0x140 mm/hugetlb.c:267
2 locks held by syz.1.58/7022:
#0: ffff88806393e098 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:163 [inline]
#0: ffff88806393e098 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:6114 [inline]
#0: ffff88806393e098 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x35/0x6a0 mm/memory.c:6174
#1: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlb_fault+0x307/0x2fa0 mm/hugetlb.c:6326
3 locks held by syz.1.58/7024:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff888079195588 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff888079195588 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
2 locks held by syz.0.70/7107:
#0: ffff88807af2ea18 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:163 [inline]
#0: ffff88807af2ea18 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:6114 [inline]
#0: ffff88807af2ea18 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x35/0x6a0 mm/memory.c:6174
#1: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlb_fault+0x307/0x2fa0 mm/hugetlb.c:6326
3 locks held by syz.0.70/7109:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff888077d4f3e8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff888077d4f3e8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
2 locks held by syz.2.74/7138:
#0: ffff888031f05718 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:163 [inline]
#0: ffff888031f05718 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:6114 [inline]
#0: ffff888031f05718 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x35/0x6a0 mm/memory.c:6174
#1: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlb_fault+0x307/0x2fa0 mm/hugetlb.c:6326
3 locks held by syz.2.74/7140:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff888029fe8148 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff888029fe8148 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
2 locks held by syz.1.102/7760:
#0: ffff888079319498 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock_killable include/linux/mmap_lock.h:153 [inline]
#0: ffff888079319498 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:6123 [inline]
#0: ffff888079319498 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x3a9/0x6a0 mm/memory.c:6174
#1: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlb_fault+0x307/0x2fa0 mm/hugetlb.c:6326
3 locks held by syz.1.102/7762:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff88801b70d078 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88801b70d078 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.2.134/7896:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff88805d3c1a98 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88805d3c1a98 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.4.208/8195:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff88807ff0da98 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88807ff0da98 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
2 locks held by syz.0.213/8212:
#0: ffff8880647a6098 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock_killable include/linux/mmap_lock.h:153 [inline]
#0: ffff8880647a6098 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:6123 [inline]
#0: ffff8880647a6098 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x3a9/0x6a0 mm/memory.c:6174
#1: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlb_fault+0x307/0x2fa0 mm/hugetlb.c:6326
3 locks held by syz.0.213/8215:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff88807ff0e4b8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88807ff0e4b8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.2.394/8972:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff888058e62ed8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff888058e62ed8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.1.397/8981:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff888058e638f8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff888058e638f8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.0.658/10057:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff88805d594658 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88805d594658 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.0.1183/12195:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff8880765d9a98 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff8880765d9a98 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.3.1506/13494:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff88807d2ddfa8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88807d2ddfa8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.1.2105/15903:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff888056b1c658 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff888056b1c658 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.4.2121/15975:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff88805e869078 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88805e869078 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.3.2137/16045:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff88805e86b8f8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88805e86b8f8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.2.2187/16245:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff8880594d5a98 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff8880594d5a98 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.2.2613/18003:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff888064670658 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff888064670658 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.1.2632/18088:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff8880506b29c8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff8880506b29c8 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
3 locks held by syz.3.2654/18175:
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:356 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:364 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:362 [inline]
#0: ffff88801b742420 (sb_writers#14){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd9/0x150 fs/open.c:362
#1: ffff888076640148 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff888076640148 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x2b6/0xfc0 fs/hugetlbfs/inode.c:828
#2: ffff8881416d68d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: hugetlbfs_fallocate+0x577/0xfc0 fs/hugetlbfs/inode.c:872
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #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+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf0c/0x1240 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 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: 53 Comm: kworker/u8:3 Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound nsim_dev_trap_report_work
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:979 [inline]
RIP: 0010:debug_check_no_obj_freed+0x210/0x600 lib/debugobjects.c:1019
Code: 24 48 85 c0 0f 84 27 03 00 00 48 89 c2 45 31 f6 4c 89 64 24 38 49 bd 22 01 00 00 00 00 ad de 48 c1 ea 03 4d 89 fc 80 3c 1a 00 <0f> 85 dc 00 00 00 48 8d 78 18 41 83 c6 01 4c 8b 38 48 89 fa 48 c1
RSP: 0018:ffffc90000a18c40 EFLAGS: 00000046
RAX: ffff8880519b9380 RBX: dffffc0000000000 RCX: ffffffff816b176d
RDX: 1ffff1100a337270 RSI: 0000000000000004 RDI: ffffc90000a18bb0
RBP: ffffc90000a18d80 R08: 0000000000000001 R09: fffff52000143176
R10: 0000000000000003 R11: 0000000000000000 R12: ffff88802606d000
R13: dead000000000122 R14: 0000000000000000 R15: ffff88802606d000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f005a352f98 CR3: 000000000df7c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
slab_free_hook mm/slub.c:2273 [inline]
slab_free mm/slub.c:4579 [inline]
kfree+0x2b3/0x4b0 mm/slub.c:4727
free_slab_obj_exts mm/slub.c:2023 [inline]
unaccount_slab mm/slub.c:2551 [inline]
__free_slab+0x139/0x170 mm/slub.c:2647
rcu_do_batch kernel/rcu/tree.c:2567 [inline]
rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2823
handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
do_softirq kernel/softirq.c:455 [inline]
do_softirq+0xb2/0xf0 kernel/softirq.c:442
__local_bh_enable_ip+0x100/0x120 kernel/softirq.c:382
spin_unlock_bh include/linux/spinlock.h:396 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
nsim_dev_trap_report_work+0x870/0xc90 drivers/net/netdevsim/dev.c:851
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244