INFO: task syz-executor.0:29118 blocked for more than 143 seconds.
Not tainted 6.4.0-rc6-syzkaller-00242-g1639fae5132b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27264 pid:29118 ppid:5022 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
filemap_invalidate_lock include/linux/fs.h:820 [inline]
blk_ioctl_zeroout block/ioctl.c:182 [inline]
blkdev_common_ioctl+0x15dc/0x22c0 block/ioctl.c:486
blkdev_ioctl+0x551/0x7a0 block/ioctl.c:609
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5baec8c389
RSP: 002b:00007f5baf917168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5baedabf80 RCX: 00007f5baec8c389
RDX: 0000000020000080 RSI: 000000000000127f RDI: 0000000000000003
RBP: 00007f5baf9171d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffde39d6d7f R14: 00007f5baf917300 R15: 0000000000022000
INFO: task syz-executor.1:29110 blocked for more than 143 seconds.
Not tainted 6.4.0-rc6-syzkaller-00242-g1639fae5132b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24768 pid:29110 ppid:5031 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x9c/0x2f0 kernel/locking/rwsem.c:1522
filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
filemap_fault+0x647/0x1810 mm/filemap.c:3277
__do_fault+0x136/0x500 mm/memory.c:4176
do_shared_fault mm/memory.c:4585 [inline]
do_fault mm/memory.c:4663 [inline]
do_pte_missing mm/memory.c:3647 [inline]
handle_pte_fault mm/memory.c:4947 [inline]
__handle_mm_fault mm/memory.c:5089 [inline]
handle_mm_fault+0x2098/0x5860 mm/memory.c:5243
do_user_addr_fault arch/x86/mm/fault.c:1440 [inline]
handle_page_fault arch/x86/mm/fault.c:1534 [inline]
exc_page_fault+0x7d2/0x910 arch/x86/mm/fault.c:1590
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f9f39e86dc6
RSP: 002b:00007fff8e4c2ac8 EFLAGS: 00010202
RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000000020000000
RBP: 00007fff8e4c2b88 R08: 00007f9f39e00000 R09: 00007f9f39a00000
R10: 00007f9f39a001b8 R11: 000000000006174e R12: 00000000001fa3df
R13: 00007fff8e4c2bb0 R14: 00007fff8e4c2bd0 R15: 0000000000000032
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cf276f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8cf27ab0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:6/2835:
2 locks held by getty/4744:
#0: ffff88802ce92098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2176
1 lock held by syz-executor.0/29118:
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline]
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x15dc/0x22c0 block/ioctl.c:486
2 locks held by syz-executor.1/29110:
#0: ffff888025fea568 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:161 [inline]
#0: ffff888025fea568 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault arch/x86/mm/fault.c:1381 [inline]
#0: ffff888025fea568 (&mm->mmap_lock){++++}-{3:3}, at: handle_page_fault arch/x86/mm/fault.c:1534 [inline]
#0: ffff888025fea568 (&mm->mmap_lock){++++}-{3:3}, at: exc_page_fault+0x1b9/0x910 arch/x86/mm/fault.c:1590
#1: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#1: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0x647/0x1810 mm/filemap.c:3277
1 lock held by syz-executor.1/29112:
1 lock held by syz-executor.0/29270:
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline]
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x15dc/0x22c0 block/ioctl.c:486
1 lock held by syz-executor.1/29277:
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xf1/0x7c0 mm/readahead.c:226
1 lock held by syz-executor.1/29409:
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801a8dcab0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xf1/0x7c0 mm/readahead.c:226
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc6-syzkaller-00242-g1639fae5132b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 29112 Comm: syz-executor.1 Not tainted 6.4.0-rc6-syzkaller-00242-g1639fae5132b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:207
Code: 10 38 78 7e 65 8b 15 11 38 78 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 0c 16 00 00 00 74 2c 8b 91 e8 15 00 00 <83> fa 02 75 21 48 8b 91 f0 15 00 00 48 8b 32 48 8d 7e 01 8b 89 ec
RSP: 0018:ffffc900073c6198 EFLAGS: 00000246
RAX: ffffffff81c255b0 RBX: 0000000000000000 RCX: ffff8880918cd940
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900073c65f0 R08: ffffffff81c2559c R09: fffff94000544971
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900073c67c0
R13: 1ffff92000e78cb0 R14: ffffea0002a232c0 R15: 1ffff92000e78cb2
FS: 00007f9f3ac87700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c002635000 CR3: 000000002427f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
page_fixed_fake_head include/linux/page-flags.h:208 [inline]
page_is_fake_head include/linux/page-flags.h:240 [inline]
PageTail include/linux/page-flags.h:284 [inline]
folio_flags include/linux/page-flags.h:311 [inline]
folio_trylock include/linux/pagemap.h:918 [inline]
shrink_folio_list+0x740/0x8940 mm/vmscan.c:1743
shrink_inactive_list mm/vmscan.c:2603 [inline]
shrink_list mm/vmscan.c:2844 [inline]
shrink_lruvec+0x16e6/0x2d30 mm/vmscan.c:6280
shrink_node_memcgs mm/vmscan.c:6467 [inline]
shrink_node+0x115c/0x2790 mm/vmscan.c:6502
shrink_zones mm/vmscan.c:6737 [inline]
do_try_to_free_pages+0x67e/0x1900 mm/vmscan.c:6799
try_to_free_mem_cgroup_pages+0x455/0xa50 mm/vmscan.c:7114
try_charge_memcg+0x5de/0x16d0 mm/memcontrol.c:2724
try_charge mm/memcontrol.c:2866 [inline]
charge_memcg+0x11a/0x3f0 mm/memcontrol.c:7021
__mem_cgroup_charge+0x27/0x80 mm/memcontrol.c:7042
mem_cgroup_charge include/linux/memcontrol.h:679 [inline]
__filemap_add_folio+0xe87/0x1b60 mm/filemap.c:857
filemap_add_folio+0x121/0x580 mm/filemap.c:939
page_cache_ra_unbounded+0x210/0x7c0 mm/readahead.c:251
do_sync_mmap_readahead+0x7b6/0x9a0 mm/filemap.c:3193
filemap_fault+0x81b/0x1810 mm/filemap.c:3285
__do_fault+0x136/0x500 mm/memory.c:4176
do_read_fault mm/memory.c:4530 [inline]
do_fault mm/memory.c:4659 [inline]
do_pte_missing mm/memory.c:3647 [inline]
handle_pte_fault mm/memory.c:4947 [inline]
__handle_mm_fault mm/memory.c:5089 [inline]
handle_mm_fault+0x41a8/0x5860 mm/memory.c:5243
faultin_page mm/gup.c:925 [inline]
__get_user_pages+0x5d9/0x12b0 mm/gup.c:1147
populate_vma_page_range+0x2c7/0x3b0 mm/gup.c:1543
__mm_populate+0x279/0x450 mm/gup.c:1652
mm_populate include/linux/mm.h:3153 [inline]
vm_mmap_pgoff+0x300/0x410 mm/util.c:548
ksys_mmap_pgoff+0x4f9/0x6d0 mm/mmap.c:1440
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9f39e8c389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9f3ac87168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f9f39fabf80 RCX: 00007f9f39e8c389
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f9f39ed7493 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8e4c2a4f R14: 00007f9f3ac87300 R15: 0000000000022000