INFO: task syz.8.1344:21557 blocked for more than 143 seconds.
Not tainted 6.13.0-rc2-syzkaller-00159-gf932fb9b4074 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.8.1344 state:D stack:28208 pid:21557 tgid:21512 ppid:13661 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write_nested+0x1e0/0x220 kernel/locking/rwsem.c:1694
inode_lock_nested include/linux/fs.h:853 [inline]
filename_create+0x260/0x540 fs/namei.c:4080
do_symlinkat+0xf9/0x3a0 fs/namei.c:4688
__do_sys_symlinkat fs/namei.c:4711 [inline]
__se_sys_symlinkat fs/namei.c:4708 [inline]
__x64_sys_symlinkat+0x95/0xb0 fs/namei.c:4708
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffa66b85d19
RSP: 002b:00007ffa679ea038 EFLAGS: 00000246 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 00007ffa66d76080 RCX: 00007ffa66b85d19
RDX: 0000000020000200 RSI: ffffffffffffff9c RDI: 0000000020000000
RBP: 00007ffa66c01a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ffa66d76080 R15: 00007ffd4b194468
INFO: task syz.8.1344:21560 blocked for more than 143 seconds.
Not tainted 6.13.0-rc2-syzkaller-00159-gf932fb9b4074 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.8.1344 state:D stack:27696 pid:21560 tgid:21512 ppid:13661 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write_nested+0x1e0/0x220 kernel/locking/rwsem.c:1694
inode_lock_nested include/linux/fs.h:853 [inline]
lock_rename fs/namei.c:3215 [inline]
do_renameat2+0x62c/0x13f0 fs/namei.c:5159
__do_sys_rename fs/namei.c:5271 [inline]
__se_sys_rename fs/namei.c:5269 [inline]
__x64_sys_rename+0x82/0x90 fs/namei.c:5269
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffa66b85d19
RSP: 002b:00007ffa679c9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007ffa66d76160 RCX: 00007ffa66b85d19
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000100
RBP: 00007ffa66c01a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ffa66d76160 R15: 00007ffd4b194468
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller-00159-gf932fb9b4074 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/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: 23984 Comm: syz.8.1563 Not tainted 6.13.0-rc2-syzkaller-00159-gf932fb9b4074 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:kmap_assert_nomap include/linux/highmem-internal.h:17 [inline]
RIP: 0010:exit_to_user_mode_prepare include/linux/entry-common.h:334 [inline]
RIP: 0010:irqentry_exit_to_user_mode+0x144/0x250 kernel/entry/common.c:231
Code: 5c 80 f5 f7 c3 00 40 00 00 0f 85 99 00 00 00 41 80 67 10 f9 0f 1f 44 00 00 83 3d 26 f2 76 0e 00 75 0e 41 83 bf 58 16 00 00 00 <0f> 85 82 00 00 00 83 3d 4f 04 58 04 00 74 1a 65 8b 05 c6 22 42 74
RSP: 0000:ffffc900035a7ed0 EFLAGS: 00000046
RAX: ffffffff8140c493 RBX: 0000000000000000 RCX: ffff8880213ebc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880125435d0 R08: ffffffff8140c48a R09: 1ffff1100427d780
R10: dffffc0000000000 R11: ffffed100427d781 R12: ffff8880213ebc00
R13: 0000000000000254 R14: ffffc900035a7f58 R15: ffff8880213ebc00
FS: 00007fafa19bd6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faf96ae2000 CR3: 000000004c45c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
exc_page_fault+0x590/0x8b0 arch/x86/mm/fault.c:1542
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fafa0a48c46
Code: f0 72 6e 48 63 cd 48 01 c1 49 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 <47> 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01
RSP: 002b:00007fafa19bc4a0 EFLAGS: 00010206
RAX: 00000000006e2001 RBX: 00007fafa19bc540 RCX: 0000000000000016
RDX: 0000000000000015 RSI: 0000000000000001 RDI: 00007fafa19bc5e0
RBP: 0000000000000102 R08: 00007faf96400000 R09: 00000000006e2000
R10: 0000000000000000 R11: 00007fafa19bc550 R12: 0000000000000001
R13: 00007fafa0c18f60 R14: 0000000000000000 R15: 00007fafa19bc5e0