INFO: task syz.3.314:7017 blocked for more than 143 seconds.
Not tainted 6.11.0-rc1-syzkaller-00233-g948752d2e010 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.314 state:D stack:26816 pid:7017 tgid:7015 ppid:6810 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0xe37/0x5490 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6621
io_schedule+0xbf/0x130 kernel/sched/core.c:7401
folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1307
folio_lock include/linux/pagemap.h:1050 [inline]
truncate_inode_pages_range+0xb93/0xe80 mm/truncate.c:396
kill_bdev block/bdev.c:90 [inline]
set_blocksize+0x2b2/0x370 block/bdev.c:172
sb_set_blocksize block/bdev.c:181 [inline]
sb_min_blocksize+0xd0/0x1e0 block/bdev.c:197
vxfs_fill_super+0xc5/0xce0 fs/freevxfs/vxfs_super.c:202
get_tree_bdev+0x36f/0x610 fs/super.c:1635
vfs_get_tree+0x8f/0x380 fs/super.c:1800
do_new_mount fs/namespace.c:3472 [inline]
path_mount+0x14e6/0x1f20 fs/namespace.c:3799
do_mount fs/namespace.c:3812 [inline]
__do_sys_mount fs/namespace.c:4020 [inline]
__se_sys_mount fs/namespace.c:3997 [inline]
__x64_sys_mount+0x294/0x320 fs/namespace.c:3997
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: 0033:0x7fd00b1779f9
RSP: 002b:00007fd00bf72048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd00b306058 RCX: 00007fd00b1779f9
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000020000000
RBP: 00007fd00b1e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000018642 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fd00b306058 R15: 00007ffc527b59e8
Showing all locks held in the system:
1 lock held by khungtaskd/31:
#0: ffffffff8ddb53a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
#0: ffffffff8ddb53a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
#0: ffffffff8ddb53a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6620
3 locks held by kworker/0:2/940:
#0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc90003defd80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:276
3 locks held by kworker/u8:6/1053:
#0: ffff88802a574948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc900041a7d80 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xcf/0x1500 net/ipv6/addrconf.c:4194
6 locks held by kworker/u8:7/1060:
#0: ffff8880166e3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc90004217d80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2: ffffffff8fa0a490 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbb/0xbf0 net/core/net_namespace.c:594
#3: ffff8880291c40e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff8880291c40e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff8880291c40e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x12d/0x2b0 net/devlink/core.c:506
#4: ffff8880291c1250 (&devlink->lock_key#33){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff8880291c1250 (&devlink->lock_key#33){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff8880291c1250 (&devlink->lock_key#33){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x137/0x2b0 net/devlink/core.c:506
#5: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: fib_seq_sum+0x30/0x2f0 net/core/fib_notifier.c:46
2 locks held by getty/4978:
#0: ffff88802b7890a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2211
1 lock held by syz.4.10/5343:
3 locks held by kworker/u8:1/6949:
1 lock held by syz.3.314/7017:
#0: ffff88802c6b60e0 (&type->s_umount_key#81/1){+.+.}-{3:3}, at: alloc_super+0x23d/0xbd0 fs/super.c:344
1 lock held by syz.2.348/7172:
#0: ffff888011e80420 (sb_writers#3){.+.+}-{0:0}, at: splice_direct_to_actor+0x346/0xa40 fs/splice.c:1108
1 lock held by syz-executor/7454:
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
1 lock held by syz-executor/7546:
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
1 lock held by syz-executor/7596:
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
2 locks held by syz-executor/7628:
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
#1: ffffffff8ddc0b38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:328
1 lock held by syz-executor/7670:
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fa1fbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.11.0-rc1-syzkaller-00233-g948752d2e010 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119
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+0xf4e/0x1280 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5343 Comm: syz.4.10 Not tainted 6.11.0-rc1-syzkaller-00233-g948752d2e010 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:preempt_count_sub+0x3f/0x160 kernel/sched/core.c:5680
Code: fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 df 00 00 00 8b 0d 85 47 96 13 85 c9 75 1b <65> 8b 05 62 81 a9 7e 89 c2 81 e2 ff ff ff 7f 39 d3 7f 17 81 fb fe
RSP: 0018:ffffc90003dff2e0 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 0000000000000004 RDI: 0000000000000001
RBP: 0000000000000200 R08: 0000000000000000 R09: ffffed1004937798
R10: ffff8880249bbcc3 R11: 0000000000000000 R12: ffffc90003dff428
R13: 0000000000000000 R14: dffffc0000000000 R15: 800000006c600807
FS: 00007f2d109de6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002013f000 CR3: 0000000024050000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x28/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
finish_fault+0xaf6/0x1020 mm/memory.c:4931
do_shared_fault mm/memory.c:5141 [inline]
do_fault mm/memory.c:5195 [inline]
do_pte_missing mm/memory.c:3947 [inline]
handle_pte_fault mm/memory.c:5522 [inline]
__handle_mm_fault+0x341f/0x5660 mm/memory.c:5665
handle_mm_fault+0x44e/0x7b0 mm/memory.c:5833
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+0x4a/0x70 arch/x86/lib/copy_user_64.S:71
Code: 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 c9 a4 c3 cc cc cc cc 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1
RSP: 0018:ffffc90003dff6a0 EFLAGS: 00050206
RAX: 0000000000000001 RBX: 0000000000001000 RCX: 0000000000001000
RDX: 0000000000000000 RSI: ffff888027129000 RDI: 000000002013f000
RBP: 000000002013f000 R08: 0000000000000000 R09: ffffed1004e253ff
R10: ffff888027129fff R11: 0000000000000000 R12: ffffc90003dffb38
R13: 0000000020140000 R14: ffff888027129000 R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:131 [inline]
copy_to_user_iter lib/iov_iter.c:25 [inline]
iterate_ubuf include/linux/iov_iter.h:29 [inline]
iterate_and_advance2 include/linux/iov_iter.h:245 [inline]
iterate_and_advance include/linux/iov_iter.h:271 [inline]
_copy_to_iter+0x37e/0x1150 lib/iov_iter.c:185
copy_page_to_iter lib/iov_iter.c:362 [inline]
copy_page_to_iter+0xf1/0x180 lib/iov_iter.c:349
copy_folio_to_iter include/linux/uio.h:180 [inline]
filemap_read+0x69f/0xd10 mm/filemap.c:2676
blkdev_read_iter+0x18d/0x490 block/fops.c:764
aio_read+0x31c/0x4e0 fs/aio.c:1602
__io_submit_one fs/aio.c:2003 [inline]
io_submit_one+0x1487/0x1df0 fs/aio.c:2052
__do_sys_io_submit fs/aio.c:2111 [inline]
__se_sys_io_submit fs/aio.c:2081 [inline]
__x64_sys_io_submit+0x19d/0x330 fs/aio.c:2081
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: 0033:0x7f2d10f779f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2d109de048 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007f2d11106058 RCX: 00007f2d10f779f9
RDX: 00000000200000c0 RSI: 00000000000000ca RDI: 00007f2d11c45000
RBP: 00007f2d10fe58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2d11106058 R15: 00007ffcc19436a8