INFO: task syz-executor.2:14388 blocked for more than 143 seconds.
Not tainted 6.9.0-rc5-syzkaller-00031-g71b1543c83d6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24664 pid:14388 tgid:14388 ppid:13279 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
ni_lock fs/ntfs3/ntfs_fs.h:1121 [inline]
ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:718
filemap_read_folio+0x1a2/0x790 mm/filemap.c:2331
filemap_fault+0xed1/0x16a0 mm/filemap.c:3381
__do_fault+0x137/0x460 mm/memory.c:4531
do_read_fault mm/memory.c:4894 [inline]
do_fault mm/memory.c:5024 [inline]
do_pte_missing mm/memory.c:3880 [inline]
handle_pte_fault mm/memory.c:5300 [inline]
__handle_mm_fault+0x45f7/0x7240 mm/memory.c:5441
handle_mm_fault+0x3c2/0x8a0 mm/memory.c:5606
do_user_addr_fault arch/x86/mm/fault.c:1362 [inline]
handle_page_fault arch/x86/mm/fault.c:1505 [inline]
exc_page_fault+0x446/0x8e0 arch/x86/mm/fault.c:1563
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fe95782c670
RSP: 002b:00007ffc0f6337f0 EFLAGS: 00010202
RAX: 000000002000084a RBX: 000000000e000002 RCX: 0000000000000000
RDX: b441b31dda08bf76 RSI: 0000000000000000 RDI: 000055558c2ae360
RBP: 00007ffc0f633988 R08: 0000000000000000 R09: 000000000000000e
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000008e66a
R13: 000000000008e638 R14: 00007ffc0f6339d0 R15: 00007fe957834cb0
INFO: task syz-executor.2:14389 blocked for more than 144 seconds.
Not tainted 6.9.0-rc5-syzkaller-00031-g71b1543c83d6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:22064 pid:14389 tgid:14388 ppid:13279 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
io_schedule+0x8d/0x110 kernel/sched/core.c:9044
folio_wait_bit_common+0x882/0x12b0 mm/filemap.c:1283
__filemap_get_folio+0xa3/0xbb0 mm/filemap.c:1874
pagecache_get_page+0x2c/0x200 mm/folio-compat.c:93
find_or_create_page include/linux/pagemap.h:757 [inline]
ni_readpage_cmpr+0x313/0xa60 fs/ntfs3/frecord.c:2135
ntfs_read_folio+0x19e/0x210 fs/ntfs3/inode.c:719
filemap_read_folio+0x1a2/0x790 mm/filemap.c:2331
filemap_fault+0xed1/0x16a0 mm/filemap.c:3381
__do_fault+0x137/0x460 mm/memory.c:4531
do_read_fault mm/memory.c:4894 [inline]
do_fault mm/memory.c:5024 [inline]
do_pte_missing mm/memory.c:3880 [inline]
handle_pte_fault mm/memory.c:5300 [inline]
__handle_mm_fault+0x45f7/0x7240 mm/memory.c:5441
handle_mm_fault+0x3c2/0x8a0 mm/memory.c:5606
do_user_addr_fault arch/x86/mm/fault.c:1413 [inline]
handle_page_fault arch/x86/mm/fault.c:1505 [inline]
exc_page_fault+0x2a8/0x8e0 arch/x86/mm/fault.c:1563
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline]
RIP: 0010:raw_copy_from_user arch/x86/include/asm/uaccess_64.h:125 [inline]
RIP: 0010:_copy_from_user+0x87/0xe0 lib/usercopy.c:23
Code: e0 4c 01 f8 78 6c 4c 39 e0 72 67 e8 a3 ed e6 fc 0f ae e8 4c 89 f7 44 89 fe e8 85 52 4b fd 0f 01 cb 4c 89 f9 4c 89 e6 4c 89 f7 a4 0f 1f 00 48 89 cb 0f 01 ca 31 ff 48 89 de e8 54 f2 e6 fc 48
RSP: 0018:ffffc90004a6f7f8 EFLAGS: 00050297
RAX: ffffffff84af1301 RBX: 0000000020001044 RCX: 0000000000000004
RDX: 0000000000000001 RSI: 0000000020001040 RDI: ffffc90004a6f8f0
RBP: ffffc90004a6fc20 R08: 0000000000000003 R09: fffff5200094df1e
R10: dffffc0000000000 R11: fffff5200094df1e R12: 0000000020001040
R13: 0000000000000000 R14: ffffc90004a6f8f0 R15: 0000000000000004
copy_from_user include/linux/uaccess.h:183 [inline]
copy_from_sockptr_offset include/linux/sockptr.h:48 [inline]
copy_from_sockptr include/linux/sockptr.h:59 [inline]
do_tcp_getsockopt+0x20f/0x3550 net/ipv4/tcp.c:4013
tcp_getsockopt+0xfb/0x1c0 net/ipv4/tcp.c:4377
do_sock_getsockopt+0x375/0x850 net/socket.c:2373
__sys_getsockopt+0x271/0x330 net/socket.c:2402
__do_sys_getsockopt net/socket.c:2412 [inline]
__se_sys_getsockopt net/socket.c:2409 [inline]
__x64_sys_getsockopt+0xb5/0xd0 net/socket.c:2409
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe95787dea9
RSP: 002b:00007fe9585fc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007fe9579abf80 RCX: 00007fe95787dea9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007fe9578ca4a4 R08: 0000000020001040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe9579abf80 R15: 00007ffc0f633748
Showing all locks held in the system:
4 locks held by kworker/0:1/8:
1 lock held by khungtaskd/29:
#0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by kworker/u8:2/34:
#0: ffff888017fbc948 ((wq_completion)iou_exit){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
#0: ffff888017fbc948 ((wq_completion)iou_exit){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335
#1: ffffc90000aa7d00 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
#1: ffffc90000aa7d00 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3335
#2: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#2: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x463/0x820 kernel/rcu/tree_exp.h:939
2 locks held by kworker/u8:5/63:
2 locks held by getty/4836:
#0: ffff88802ab470a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
2 locks held by syz-executor.2/14388:
#0: ffff888058fa6520 (mapping.invalidate_lock#6){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
#0: ffff888058fa6520 (mapping.invalidate_lock#6){++++}-{3:3}, at: filemap_fault+0xaf0/0x16a0 mm/filemap.c:3296
#1: ffff888058fa60e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1121 [inline]
#1: ffff888058fa60e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:718
2 locks held by syz-executor.2/14389:
#0: ffff888058fa6520 (mapping.invalidate_lock#6){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
#0: ffff888058fa6520 (mapping.invalidate_lock#6){++++}-{3:3}, at: filemap_fault+0xaf0/0x16a0 mm/filemap.c:3296
#1: ffff888058fa60e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1121 [inline]
#1: ffff888058fa60e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:718
2 locks held by syz-executor.5/15952:
#0: ffff8880528bf410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#0: ffff8880528bf410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:658 [inline]
#0: ffff8880528bf410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 net/socket.c:1421
#1: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#1: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x463/0x820 kernel/rcu/tree_exp.h:939
1 lock held by syz-executor.2/15955:
#0: ffffffff8f5a54c8 (rtnl_mutex){+.+.}-{3:3}, at: dev_ifsioc+0xc34/0xe70 net/core/dev_ioctl.c:594
1 lock held by syz-executor.2/15962:
#0: ffffffff8f5a54c8 (rtnl_mutex){+.+.}-{3:3}, at: dev_ifsioc+0xc34/0xe70 net/core/dev_ioctl.c:594
1 lock held by syz-executor.3/15959:
#0: ffffffff8f5a54c8 (rtnl_mutex){+.+.}-{3:3}, at: ip_mroute_setsockopt+0x15b/0x1190 net/ipv4/ipmr.c:1369
1 lock held by syz-executor.1/15966:
#0: ffffffff8f5a54c8 (rtnl_mutex){+.+.}-{3:3}, at: do_ip_setsockopt+0x1192/0x3ae0 net/ipv4/ip_sockglue.c:1077
1 lock held by syz-executor.1/15967:
#0: ffffffff8f5a54c8 (rtnl_mutex){+.+.}-{3:3}, at: do_ip_setsockopt+0x1192/0x3ae0 net/ipv4/ip_sockglue.c:1077
1 lock held by syz-executor.0/15972:
#0: ffffffff8f5a54c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5a54c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc5-syzkaller-00031-g71b1543c83d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
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:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:380
kthread+0x2f2/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 50 Comm: kworker/u8:3 Not tainted 6.9.0-rc5-syzkaller-00031-g71b1543c83d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: krdsd rds_send_worker
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:100 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x4da/0x2a00 arch/x86/kernel/unwind_orc.c:494
Code: 00 fc ff df e9 96 01 00 00 49 89 df 48 89 5c 24 28 49 89 dd 4c 8b 74 24 38 4c 89 e0 4c 29 e8 48 89 c1 48 c1 f9 02 48 c1 e8 3f <48> 01 c8 48 83 e0 fe 49 8d 5c 45 00 48 89 d8 48 c1 e8 03 48 b9 00
RSP: 0018:ffffc90000ba6be8 EFLAGS: 00000256
RAX: 0000000000000000 RBX: ffffffff90112aa8 RCX: 0000000000000008
RDX: ffff888015723c00 RSI: 000000000016ce5d RDI: 000000000016ce66
RBP: 000000000008e2ef R08: ffffffff8141424e R09: ffffc90000ba6db0
R10: 0000000000000003 R11: ffffffff8181e0a0 R12: ffffffff90112ac8
R13: ffffffff90112aa8 R14: ffffffff89e2efef R15: ffffffff90112aa8
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8d5017a538 CR3: 00000000663ca000 CR4: 0000000000350ef0
Call Trace:
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:312 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3798 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_node+0x194/0x380 mm/slub.c:3888
kmalloc_reserve+0xa8/0x2a0 net/core/skbuff.c:577
__alloc_skb+0x1f3/0x440 net/core/skbuff.c:668
alloc_skb_fclone include/linux/skbuff.h:1363 [inline]
tcp_stream_alloc_skb+0x3d/0x310 net/ipv4/tcp.c:873
tcp_sendmsg_locked+0xd94/0x4d00 net/ipv4/tcp.c:1155
tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1342
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x1a6/0x270 net/socket.c:745
sock_sendmsg net/socket.c:768 [inline]
kernel_sendmsg+0x151/0x220 net/socket.c:792
rds_tcp_sendmsg net/rds/tcp_send.c:66 [inline]
rds_tcp_xmit+0x413/0xcb0 net/rds/tcp_send.c:105
rds_send_xmit+0x1293/0x25b0 net/rds/send.c:366
rds_send_worker+0x7d/0x2b0 net/rds/threads.c:200
process_one_work kernel/workqueue.c:3254 [inline]
process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3335
worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
kthread+0x2f2/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244