INFO: task syz-executor.2:22912 blocked for more than 143 seconds.
Not tainted 6.1.0-syzkaller-14565-ga27405b2ed9c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:23408 pid:22912 ppid:5087 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6690
__mutex_lock_common+0xecf/0x26c0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
ntfs_read_folio+0x16a/0x1e0 fs/ntfs3/inode.c:702
filemap_read_folio+0x1ba/0x7f0 mm/filemap.c:2426
filemap_create_folio mm/filemap.c:2555 [inline]
filemap_get_pages+0xb24/0x1110 mm/filemap.c:2607
filemap_read+0x3e7/0xee0 mm/filemap.c:2694
call_read_iter include/linux/fs.h:2180 [inline]
generic_file_splice_read+0x24e/0x650 fs/splice.c:309
do_splice_to fs/splice.c:793 [inline]
splice_direct_to_actor+0x41b/0xc00 fs/splice.c:865
do_splice_direct+0x2a0/0x3f0 fs/splice.c:974
do_sendfile+0x641/0xfd0 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1323 [inline]
__se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1309
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f748448c0a9
RSP: 002b:00007f74851f1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f74845abf80 RCX: 00007f748448c0a9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f74844e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3526f2bf R14: 00007f74851f1300 R15: 0000000000022000
INFO: task syz-executor.2:22915 blocked for more than 143 seconds.
Not tainted 6.1.0-syzkaller-14565-ga27405b2ed9c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27160 pid:22915 ppid:5087 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
io_schedule+0x83/0x100 kernel/sched/core.c:8811
folio_wait_bit_common+0x8ca/0x1390 mm/filemap.c:1297
folio_lock include/linux/pagemap.h:938 [inline]
truncate_inode_pages_range+0xc8d/0x1650 mm/truncate.c:421
truncate_inode_pages mm/truncate.c:448 [inline]
truncate_pagecache mm/truncate.c:743 [inline]
truncate_setsize+0xcb/0xf0 mm/truncate.c:768
ntfs_truncate fs/ntfs3/file.c:395 [inline]
ntfs3_setattr+0x5a5/0xca0 fs/ntfs3/file.c:696
notify_change+0xe50/0x1100 fs/attr.c:482
do_truncate+0x219/0x300 fs/open.c:65
do_sys_ftruncate+0x2b0/0x350 fs/open.c:193
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f748448c0a9
RSP: 002b:00007f74851d0168 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f74845ac050 RCX: 00007f748448c0a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f74844e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3526f2bf R14: 00007f74851d0300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d523910 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d524110 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8d523740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4731:
#0: ffff88814a60e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 drivers/tty/n_tty.c:2177
4 locks held by kworker/u4:9/5290:
#0: ffff8880129db138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc900052ffd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
#2: ffffffff8e657cd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf0/0xc60 net/core/net_namespace.c:568
#3: ffffffff8d528c40 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x5f0 kernel/rcu/tree.c:3997
2 locks held by kworker/u4:13/11434:
#0: ffff8880b983a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
#1: ffffc90014c97d00 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
3 locks held by syz-executor.2/22912:
#0: ffff8880830fc460 (sb_writers#16){.+.+}-{0:0}, at: do_sendfile+0x61c/0xfd0 fs/read_write.c:1254
#1: ffff88807470fb40 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#1: ffff88807470fb40 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_create_folio mm/filemap.c:2547 [inline]
#1: ffff88807470fb40 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_get_pages+0xa7c/0x1110 mm/filemap.c:2607
#2: ffff88807470f700 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff88807470f700 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x16a/0x1e0 fs/ntfs3/inode.c:702
3 locks held by syz-executor.2/22915:
#0: ffff8880830fc460 (sb_writers#16){.+.+}-{0:0}, at: do_sys_ftruncate+0x243/0x350 fs/open.c:190
#1: ffff88807470f9a0 (&sb->s_type->i_mutex_key#24){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88807470f9a0 (&sb->s_type->i_mutex_key#24){+.+.}-{3:3}, at: do_truncate+0x205/0x300 fs/open.c:63
#2: ffff88807470f700 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff88807470f700 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:393 [inline]
#2: ffff88807470f700 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x596/0xca0 fs/ntfs3/file.c:696
3 locks held by syz-executor.5/22965:
#0: ffff88802c4ac460 (sb_writers#16){.+.+}-{0:0}, at: do_sendfile+0x61c/0xfd0 fs/read_write.c:1254
#1: ffff8880875b22c0 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#1: ffff8880875b22c0 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_create_folio mm/filemap.c:2547 [inline]
#1: ffff8880875b22c0 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_get_pages+0xa7c/0x1110 mm/filemap.c:2607
#2: ffff8880875b1e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff8880875b1e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x16a/0x1e0 fs/ntfs3/inode.c:702
3 locks held by syz-executor.5/22986:
#0: ffff88802c4ac460 (sb_writers#16){.+.+}-{0:0}, at: do_sys_ftruncate+0x243/0x350 fs/open.c:190
#1: ffff8880875b2120 (&sb->s_type->i_mutex_key#24){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880875b2120 (&sb->s_type->i_mutex_key#24){+.+.}-{3:3}, at: do_truncate+0x205/0x300 fs/open.c:63
#2: ffff8880875b1e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff8880875b1e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:393 [inline]
#2: ffff8880875b1e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x596/0xca0 fs/ntfs3/file.c:696
1 lock held by syz-executor.1/24313:
#0: ffffffff8d528c40 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x5f0 kernel/rcu/tree.c:3997
2 locks held by dhcpcd-run-hook/24417:
#0: ffff8880b993a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
#1: ffff8880b9927748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x682/0xa30 kernel/sched/psi.c:976
1 lock held by sed/24418:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-14565-ga27405b2ed9c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e3/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x19b/0x3e0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcd5/0xd20 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 24420 Comm: cmp Not tainted 6.1.0-syzkaller-14565-ga27405b2ed9c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x33/0x60 kernel/kcov.c:207
Code: 40 98 03 00 65 8b 15 84 d0 75 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 6c 15 00 00 00 74 2c 8b 91 48 15 00 00 <83> fa 02 75 21 48 8b 91 50 15 00 00 48 8b 32 48 8d 7e 01 8b 89 4c
RSP: 0018:ffffc9000383f418 EFLAGS: 00000246
RAX: ffffffff81d1b73f RBX: ffff88807d77fc40 RCX: ffff888012a39d40
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000383f510 R08: ffffffff8abb59c1 R09: ffffffff8abb556d
R10: 0000000000000003 R11: ffff888012a39d40 R12: 0000000000000021
R13: ffff888038c6a000 R14: ffff888038c6b588 R15: ffffc9000383f460
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f27edcd3ab0 CR3: 000000007ac8d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
validate_mm+0x2cf/0x3b0 mm/mmap.c:334
__vma_adjust+0x1e43/0x21e0 mm/mmap.c:857
__split_vma+0x36e/0x530
do_mas_align_munmap+0x3af/0x1590 mm/mmap.c:2337
do_mas_munmap+0x245/0x2b0 mm/mmap.c:2498
mmap_region+0x800/0x1e60 mm/mmap.c:2546
do_mmap+0x8d9/0xf30 mm/mmap.c:1411
vm_mmap_pgoff+0x1e5/0x2f0 mm/util.c:520
ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1457
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f27edf971f2
Code: 04 00 00 5b 5d 41 5c c3 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 33 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 56 5b 5d c3 0f 1f 00 c7 05 9e 1f 01 00 16 00
RSP: 002b:00007ffc4f8dbc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f27edf971f2
RDX: 0000000000000005 RSI: 0000000000020000 RDI: 00007f27edc78000
RBP: 00007f27edc78000 R08: 0000000000000003 R09: 0000000000002000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffc4f8dbc40
R13: 00007ffc4f8dbc70 R14: 0000000000000005 R15: 00007f27edf764b0