INFO: task syz.2.3772:27996 blocked for more than 143 seconds.
Not tainted 6.12.0-syzkaller-01892-g8f7c8b88bda4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.3772 state:D stack:25808 pid:27996 tgid:27996 ppid:27061 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
page_cache_ra_unbounded+0x173/0x6c0 mm/readahead.c:226
do_page_cache_ra mm/readahead.c:320 [inline]
page_cache_ra_order+0x7d9/0xc90 mm/readahead.c:520
do_sync_mmap_readahead mm/filemap.c:3204 [inline]
filemap_fault+0x148d/0x2820 mm/filemap.c:3345
__do_fault+0x10a/0x490 mm/memory.c:4882
do_read_fault mm/memory.c:5297 [inline]
do_fault mm/memory.c:5431 [inline]
do_pte_missing+0xec5/0x3e70 mm/memory.c:3965
handle_pte_fault mm/memory.c:5766 [inline]
__handle_mm_fault+0x100a/0x2a10 mm/memory.c:5909
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6077
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: 0033:0x7f630125cf5d
RSP: 002b:00007ffd4f285300 EFLAGS: 00010202
RAX: 000000110c8b0000 RBX: 00007f6302065720 RCX: 0000000000000005
RDX: 000000000000016d RSI: 0000000000001985 RDI: 0000000000000020
RBP: ffffffff8206616d R08: 00007f6301536038 R09: 00007f6301522000
R10: 00007f63009ff008 R11: 0000000000000008 R12: 0000000000000008
R13: 0000000000000000 R14: ffffffff82066807 R15: 0000000000000000
INFO: task syz.7.3776:28024 blocked for more than 143 seconds.
Not tainted 6.12.0-syzkaller-01892-g8f7c8b88bda4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.3776 state:D stack:25808 pid:28024 tgid:28024 ppid:27069 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
page_cache_ra_unbounded+0x173/0x6c0 mm/readahead.c:226
do_page_cache_ra mm/readahead.c:320 [inline]
page_cache_ra_order+0x7d9/0xc90 mm/readahead.c:520
do_sync_mmap_readahead mm/filemap.c:3204 [inline]
filemap_fault+0x148d/0x2820 mm/filemap.c:3345
__do_fault+0x10a/0x490 mm/memory.c:4882
do_read_fault mm/memory.c:5297 [inline]
do_fault mm/memory.c:5431 [inline]
do_pte_missing+0xec5/0x3e70 mm/memory.c:3965
handle_pte_fault mm/memory.c:5766 [inline]
__handle_mm_fault+0x100a/0x2a10 mm/memory.c:5909
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6077
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: 0033:0x7f1398e5cf5d
RSP: 002b:00007ffd4417b130 EFLAGS: 00010202
RAX: 000000110c8e8000 RBX: 00007f1399c65720 RCX: 0000000000000003
RDX: 000000000000095f RSI: 0000000000003aa5 RDI: 0000000000000008
RBP: ffffffff819ea95f R08: 00007f13991362d8 R09: 00007f1399122000
R10: 00007f13969f6008 R11: 0000000000000015 R12: 0000000000000015
R13: 0000000000000000 R14: ffffffff819ea035 R15: 0000000000000000
INFO: task syz.7.3776:28030 blocked for more than 143 seconds.
Not tainted 6.12.0-syzkaller-01892-g8f7c8b88bda4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.3776 state:D stack:28368 pid:28030 tgid:28024 ppid:27069 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
page_cache_ra_unbounded+0x173/0x6c0 mm/readahead.c:226
do_page_cache_ra mm/readahead.c:320 [inline]
page_cache_ra_order+0x7d9/0xc90 mm/readahead.c:520
do_sync_mmap_readahead mm/filemap.c:3204 [inline]
filemap_fault+0x148d/0x2820 mm/filemap.c:3345
__do_fault+0x10a/0x490 mm/memory.c:4882
do_read_fault mm/memory.c:5297 [inline]
do_fault mm/memory.c:5431 [inline]
do_pte_missing+0xec5/0x3e70 mm/memory.c:3965
handle_pte_fault mm/memory.c:5766 [inline]
__handle_mm_fault+0x100a/0x2a10 mm/memory.c:5909
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6077
faultin_page mm/gup.c:1187 [inline]
__get_user_pages+0x8d9/0x3b50 mm/gup.c:1485
populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1923
__mm_populate+0x1d6/0x380 mm/gup.c:2026
mm_populate include/linux/mm.h:3383 [inline]
__do_sys_mlockall+0x4df/0x580 mm/mlock.c:769
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: 0033:0x7f1398f7e819
RSP: 002b:00007f1399cb9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000097
RAX: ffffffffffffffda RBX: 00007f1399136080 RCX: 00007f1398f7e819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f1398ff175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f1399136080 R15: 00007ffd4417b0d8
INFO: task syz.3.3778:28042 blocked for more than 144 seconds.
Not tainted 6.12.0-syzkaller-01892-g8f7c8b88bda4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.3778 state:D stack:27344 pid:28042 tgid:28042 ppid:27074 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
page_cache_ra_unbounded+0x173/0x6c0 mm/readahead.c:226
do_page_cache_ra mm/readahead.c:320 [inline]
page_cache_ra_order+0x7d9/0xc90 mm/readahead.c:520
do_sync_mmap_readahead mm/filemap.c:3204 [inline]
filemap_fault+0x148d/0x2820 mm/filemap.c:3345
__do_fault+0x10a/0x490 mm/memory.c:4882
do_read_fault mm/memory.c:5297 [inline]
do_fault mm/memory.c:5431 [inline]
do_pte_missing+0xec5/0x3e70 mm/memory.c:3965
handle_pte_fault mm/memory.c:5766 [inline]
__handle_mm_fault+0x100a/0x2a10 mm/memory.c:5909
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6077
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: 0033:0x7f6324c5cf5d
RSP: 002b:00007fff45bec940 EFLAGS: 00010202
RAX: 000000110c89c000 RBX: 00007f6325a65720 RCX: 0000000000000006
RDX: 0000000000001a30 RSI: 00000000000005e8 RDI: 0000000000000040
RBP: ffffffff81317a30 R08: 00007f6324f36038 R09: 00007f6324f22000
R10: 00007f63243ff008 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8131735a R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8ddba680 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8ddba680 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8ddba680 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744
2 locks held by getty/5600:
#0: ffff8880318cb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
1 lock held by syz-executor/5832:
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_fault+0x62e/0x2820 mm/filemap.c:3352
2 locks held by kworker/u8:50/7797:
2 locks held by kworker/u8:39/21611:
#0: ffff8880b873ef18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
#1: ffff8880b8728a88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2c1/0x8e0 kernel/sched/psi.c:987
3 locks held by kworker/u8:59/21622:
#0: ffff8880b873ef18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
#1: ffff8880b8728a88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2c1/0x8e0 kernel/sched/psi.c:987
#2: ffff88807d348768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: wiphy_lock include/net/cfg80211.h:6014 [inline]
#2: ffff88807d348768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x9e/0x550 net/wireless/core.c:426
1 lock held by syz.2.3772/27996:
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_unbounded+0x173/0x6c0 mm/readahead.c:226
1 lock held by syz.7.3776/28024:
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_unbounded+0x173/0x6c0 mm/readahead.c:226
5 locks held by syz.7.3776/28026:
#0: ffff88803591e420 (sb_writers#4){.+.+}-{0:0}, at: madvise_remove mm/madvise.c:1012 [inline]
#0: ffff88803591e420 (sb_writers#4){.+.+}-{0:0}, at: madvise_vma_behavior+0x180f/0x19e0 mm/madvise.c:1039
#1: ffff88807b8603f8 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#1: ffff88807b8603f8 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: ext4_punch_hole+0x1c1/0x10d0 fs/ext4/inode.c:3970
#2: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
#2: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: ext4_punch_hole+0x374/0x10d0 fs/ext4/inode.c:4017
#3: ffff88803594a958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
#4: ffff88807b860288 (&ei->i_data_sem){++++}-{4:4}, at: ext4_punch_hole+0xdfe/0x10d0 fs/ext4/inode.c:4059
1 lock held by syz.7.3776/28030:
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_unbounded+0x173/0x6c0 mm/readahead.c:226
1 lock held by syz.3.3778/28042:
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff88807b860598 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_unbounded+0x173/0x6c0 mm/readahead.c:226
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-01892-g8f7c8b88bda4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
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: 5209 Comm: klogd Not tainted 6.12.0-syzkaller-01892-g8f7c8b88bda4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x41/0x70 kernel/kcov.c:217
Code: 00 48 8b 34 24 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 1c 16 00 00 85 c0 74 2b 8b 82 f8 15 00 00 <83> f8 02 75 20 48 8b 8a 00 16 00 00 8b 92 fc 15 00 00 48 8b 01 48
RSP: 0018:ffffc9000342f8c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc9000342faa1 RCX: ffffffff8b09a51c
RDX: ffff88807d6cbc00 RSI: ffffffff8b09b43d RDI: 0000000000000005
RBP: ffffc9000342faa0 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffffd R11: 0000000000032bf0 R12: ffffffff8b4da442
R13: 00000000fffffffe R14: ffffc9000342f9b0 R15: 00000000fffffffd
FS: 00007f3208bb4380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ee09cdd2b8 CR3: 0000000032fac000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vsnprintf+0x11dd/0x1870 lib/vsprintf.c:2753
snprintf+0xc8/0x100 lib/vsprintf.c:2938
print_caller kernel/printk/printk.c:1390 [inline]
info_print_prefix+0x135/0x350 kernel/printk/printk.c:1409
record_print_text+0x146/0x430 kernel/printk/printk.c:1456
syslog_print+0x4e9/0x5d0 kernel/printk/printk.c:1667
do_syslog+0x3e1/0x6c0 kernel/printk/printk.c:1785
__do_sys_syslog kernel/printk/printk.c:1877 [inline]
__se_sys_syslog kernel/printk/printk.c:1875 [inline]
__x64_sys_syslog+0x74/0xb0 kernel/printk/printk.c:1875
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: 0033:0x7f3208d15fa7
Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007fffae0d8bb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f3208eb44a0 RCX: 00007f3208d15fa7
RDX: 00000000000003ff RSI: 00007f3208eb44a0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000007 R09: e5c2d97155051c32
R10: 0000000000004000 R11: 0000000000000206 R12: 00007f3208eb44a0
R13: 00007f3208ea4212 R14: 00007f3208eb44d2 R15: 00007f3208eb44d2