INFO: task syz.2.1261:12663 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.1261      state:D stack:24984 pid:12663 tgid:12662 ppid:5828   task_flags:0x440140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5258 [inline]
 __schedule+0x150e/0x5070 kernel/sched/core.c:6866
 __schedule_loop kernel/sched/core.c:6948 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6963
 io_schedule+0x80/0xd0 kernel/sched/core.c:7792
 folio_wait_bit_common+0x6b0/0xb80 mm/filemap.c:1323
 __folio_lock mm/filemap.c:1699 [inline]
 folio_lock include/linux/pagemap.h:1159 [inline]
 __filemap_get_folio_mpol+0x13e/0xb00 mm/filemap.c:1954
 __filemap_get_folio include/linux/pagemap.h:763 [inline]
 ntfs_lock_new_page+0x30/0x7c0 fs/ntfs3/frecord.c:2028
 ni_readpage_cmpr+0x685/0x940 fs/ntfs3/frecord.c:2102
 ntfs_read_folio+0x18d/0x200 fs/ntfs3/inode.c:739
 read_pages+0x35d/0x580 mm/readahead.c:173
 page_cache_ra_unbounded+0x750/0x990 mm/readahead.c:302
 do_sync_mmap_readahead+0x394/0x870 mm/filemap.c:3360
 filemap_fault+0x6ac/0x1290 mm/filemap.c:3549
 __do_fault+0x138/0x390 mm/memory.c:5320
 do_read_fault mm/memory.c:5755 [inline]
 do_fault mm/memory.c:5889 [inline]
 do_pte_missing+0x2206/0x3330 mm/memory.c:4401
 handle_pte_fault mm/memory.c:6273 [inline]
 __handle_mm_fault mm/memory.c:6411 [inline]
 handle_mm_fault+0x1b26/0x32b0 mm/memory.c:6580
 do_user_addr_fault+0x764/0x1380 arch/x86/mm/fault.c:1387
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x82/0x100 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0010:rep_movs_alternative+0x4a/0x90 arch/x86/lib/copy_user_64.S:74
Code: 48 04 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb c5 <f3> a4 c3 cc cc cc cc 48 8b 06 48 89 07 48 8d 47 08 48 83 e0 f8 48
RSP: 0018:ffffc9000de97cf8 EFLAGS: 00050202
RAX: 00007ffffffff001 RBX: 0000000000000094 RCX: 0000000000000094
RDX: 0000000000000001 RSI: 00002000000036c0 RDI: ffffc9000de97d60
RBP: ffffc9000de97ea8 R08: ffffc9000de97df3 R09: 1ffff92001bd2fbe
R10: dffffc0000000000 R11: fffff52001bd2fbf R12: 1ffff92001bd2fa8
R13: 0000000000000094 R14: ffffc9000de97d60 R15: 00002000000036c0
 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:185 [inline]
 _copy_from_user+0x7a/0xb0 lib/usercopy.c:18
 copy_from_user include/linux/uaccess.h:223 [inline]
 copy_from_bpfptr_offset include/linux/bpfptr.h:53 [inline]
 copy_from_bpfptr include/linux/bpfptr.h:59 [inline]
 __sys_bpf+0x1e3/0x860 kernel/bpf/syscall.c:6137
 __do_sys_bpf kernel/bpf/syscall.c:6274 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6272 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4eed58f749
RSP: 002b:00007f4eee444038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4eed7e5fa0 RCX: 00007f4eed58f749
RDX: 0000000000000094 RSI: 00002000000036c0 RDI: 0000000000000005
RBP: 00007f4eed613f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4eed7e6038 R14: 00007f4eed7e5fa0 R15: 00007ffebe068ee8
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffffffff8df41b20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #0: ffffffff8df41b20 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
 #0: ffffffff8df41b20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775
2 locks held by getty/5580:
 #0: ffff88814e6810a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460 drivers/tty/n_tty.c:2211
3 locks held by kworker/u8:12/5966:
 #0: ffff88813fe69948 ((wq_completion)events_unbound#2){+.+.}-{0:0}, at: process_one_work+0x841/0x15a0 kernel/workqueue.c:3254
 #1: ffffc9000ac17b80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x868/0x15a0 kernel/workqueue.c:3255
 #2: ffffffff8f312808 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:303
2 locks held by syz.2.1261/12663:
 #0: ffff88804c0c46c0 (mapping.invalidate_lock#7){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1092 [inline]
 #0: ffff88804c0c46c0 (mapping.invalidate_lock#7){++++}-{4:4}, at: page_cache_ra_unbounded+0x1cf/0x990 mm/readahead.c:233
 #1: ffff88804c0c4288 (&ni->ni_lock/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1127 [inline]
 #1: ffff88804c0c4288 (&ni->ni_lock/5){+.+.}-{4:4}, at: ntfs_read_folio+0x180/0x200 fs/ntfs3/inode.c:738
1 lock held by syz.7.2270/15451:
2 locks held by syz.7.2270/15453:
 #0: ffff8880548da7e0 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1700 [inline]
 #0: ffff8880548da7e0 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_sendmsg+0x52/0x4d0 net/smc/af_smc.c:2791
 #1: ffff8880548db128 (&smc->clcsock_release_lock){+.+.}-{4:4}, at: smc_switch_to_fallback+0x35/0xd80 net/smc/af_smc.c:921
2 locks held by syz.3.2320/15556:
 #0: ffffffff8f312808 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:634 [inline]
 #0: ffffffff8f312808 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3e/0x1c0 drivers/net/tun.c:3436
 #1: ffffffff8df47678 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:343 [inline]
 #1: ffffffff8df47678 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3b9/0x730 kernel/rcu/tree_exp.h:956
1 lock held by syz.6.2322/15558:
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:353 [inline]
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x211/0x4d0 mm/util.c:579
1 lock held by syz.6.2322/15560:
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:391 [inline]
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: __do_sys_mincore mm/mincore.c:326 [inline]
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: __se_sys_mincore+0x160/0x5c0 mm/mincore.c:292
2 locks held by syz.6.2322/15562:
1 lock held by syz.6.2322/15566:
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:353 [inline]
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: do_mprotect_pkey+0x20f/0xcd0 mm/mprotect.c:832
1 lock held by syz.6.2322/15567:
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:391 [inline]
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: process_vm_rw_single_vec mm/process_vm_access.c:105 [inline]
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: process_vm_rw_core mm/process_vm_access.c:216 [inline]
 #0: ffff88807e212800 (&mm->mmap_lock){++++}-{4:4}, at: process_vm_rw+0x568/0xaf0 mm/process_vm_access.c:284

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]
 watchdog+0xf95/0xfe0 kernel/hung_task.c:515
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 15451 Comm: syz.7.2270 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:preempt_count_add+0x4/0x190 kernel/sched/core.c:5716
Code: 8b 3c 24 e8 ce f8 96 00 eb 8c e9 f1 fe ff ff 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <41> 57 41 56 53 49 bf 00 00 00 00 00 fc ff df 48 c7 c0 20 34 8a 99
RSP: 0018:ffffc90003717778 EFLAGS: 00000283
RAX: 1ffffffff1b367bb RBX: 0000000000000001 RCX: dffffc0000000000
RDX: 0000000000000017 RSI: ffffffff8bc08440 RDI: 0000000000000001
RBP: 0000000000000000 R08: dffffc0000000000 R09: 0000000000000000
R10: ffffed101178c800 R11: fffffbfff1f0458f R12: ffffffff8d9b3dd8
R13: ffff8880b8740b80 R14: ffff8880b8740b80 R15: 0000000000000000
FS:  00007fde661d06c0(0000) GS:ffff888125f32000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff78498dd58 CR3: 000000007b0e6000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 0000000000000008 DR2: 0000000000000080
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __raw_spin_trylock include/linux/spinlock_api_smp.h:88 [inline]
 _raw_spin_trylock+0x19/0x80 kernel/locking/spinlock.c:138
 spin_trylock include/linux/spinlock.h:361 [inline]
 __free_frozen_pages+0x65e/0xd30 mm/page_alloc.c:2968
 vfree+0x25a/0x400 mm/vmalloc.c:3466
 translate_table+0x1d09/0x2040 net/ipv6/netfilter/ip6_tables.c:751
 do_replace net/ipv6/netfilter/ip6_tables.c:1154 [inline]
 do_ip6t_set_ctl+0x970/0xce0 net/ipv6/netfilter/ip6_tables.c:1644
 nf_setsockopt+0x26f/0x290 net/netfilter/nf_sockopt.c:101
 smc_setsockopt+0x232/0xab0 net/smc/af_smc.c:3097
 do_sock_setsockopt+0x17c/0x1b0 net/socket.c:2337
 __sys_setsockopt net/socket.c:2362 [inline]
 __do_sys_setsockopt net/socket.c:2368 [inline]
 __se_sys_setsockopt net/socket.c:2365 [inline]
 __x64_sys_setsockopt+0x13f/0x1b0 net/socket.c:2365
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fde6538f749
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:00007fde661d0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fde655e5fa0 RCX: 00007fde6538f749
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 00007fde65413f91 R08: 0000000000000330 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fde655e6038 R14: 00007fde655e5fa0 R15: 00007ffc857cc4f8
 </TASK>