vcan0: j1939_xtp_rx_abort_one: 0xffff88805ce49400: 0x10000: (3) A timeout occurred and this is the connection abort to close the session.
vcan0: j1939_xtp_rx_abort_one: 0xffff88805d013400: 0x10000: (3) A timeout occurred and this is the connection abort to close the session.
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P14101/1:b..l P5816/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=59581, q=288 ncpus=2)
task:syz-executor state:R running task stack:22760 pid:5816 tgid:5816 ppid:5807 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7108
irqentry_exit+0x36/0x90 kernel/entry/common.c:307
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__read_once_word_nocheck+0x0/0x10 include/asm-generic/rwonce.h:67
Code: 92 42 8e e8 52 e2 a3 03 e9 c8 fa ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 07 e9 18 16 19 0a 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90
RSP: 0018:ffffc90003187368 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffc90003188000
RDX: ffffc90003187f01 RSI: ffffc90003187f08 RDI: ffffc90003187f08
RBP: ffffc90003187428 R08: ffffffff914d35f8 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000139da R12: ffffc90003187430
R13: ffffc900031873e0 R14: ffffc90003187f10 R15: ffffc90003187414
deref_stack_reg arch/x86/kernel/unwind_orc.c:406 [inline]
unwind_next_frame+0xb8f/0x20a0 arch/x86/kernel/unwind_orc.c:585
arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_stack+0x160/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x84/0x1a0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1248 [inline]
free_unref_folios+0xa65/0x1800 mm/page_alloc.c:2763
folios_put_refs+0x56f/0x740 mm/swap.c:992
folio_batch_release include/linux/pagevec.h:101 [inline]
shmem_undo_range+0x58f/0x1150 mm/shmem.c:1125
shmem_truncate_range mm/shmem.c:1237 [inline]
shmem_evict_inode+0x3a1/0xbe0 mm/shmem.c:1365
evict+0x3e3/0x920 fs/inode.c:810
iput_final fs/inode.c:1898 [inline]
iput fs/inode.c:1924 [inline]
iput+0x521/0x880 fs/inode.c:1910
do_unlinkat+0x518/0x6a0 fs/namei.c:4666
__do_sys_unlink fs/namei.c:4705 [inline]
__se_sys_unlink fs/namei.c:4703 [inline]
__x64_sys_unlink+0xc5/0x110 fs/namei.c:4703
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc75178ded7
RSP: 002b:00007ffc803b88c8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc75178ded7
RDX: 00007ffc803b88f0 RSI: 00007ffc803b8980 RDI: 00007ffc803b8980
RBP: 00007ffc803b8980 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc803b9a10
R13: 00007fc751810925 R14: 00000000000ccead R15: 00007ffc803b9a50
task:udevd state:R running task stack:24664 pid:14101 tgid:14101 ppid:5185 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7108
irqentry_exit+0x36/0x90 kernel/entry/common.c:307
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:get_current arch/x86/include/asm/current.h:25 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216
Code: e9 4d d6 5b 00 be 03 00 00 00 5b e9 62 78 20 03 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 34 24 <65> 48 8b 15 68 bf 10 12 65 8b 05 79 bf 10 12 a9 00 01 ff 00 74 1d
RSP: 0018:ffffc900059ffa08 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff824683ca
RDX: ffff88805c494880 RSI: ffffffff8246872c RDI: 0000000000000005
RBP: ffffc900059ffb18 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000003472 R15: dffffc0000000000
rcu_read_unlock include/linux/rcupdate.h:869 [inline]
prepend_path+0x8bc/0xfb0 fs/d_path.c:182
d_absolute_path+0xfe/0x1a0 fs/d_path.c:234
tomoyo_get_absolute_path security/tomoyo/realpath.c:101 [inline]
tomoyo_realpath_from_path+0x355/0x6e0 security/tomoyo/realpath.c:271
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x245/0x580 security/tomoyo/file.c:723
security_file_ioctl+0x9b/0x240 security/security.c:2913
__do_sys_ioctl fs/ioctl.c:901 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0xb7/0x210 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe068849378
RSP: 002b:00007ffdcfa3b0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe068849378
RDX: 00007ffdcfa3b1f0 RSI: 0000000080081272 RDI: 0000000000000009
RBP: 00007ffdcfa3b1f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000009
rcu: rcu_preempt kthread starved for 10498 jiffies! g59581 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:27928 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1ea/0xb00 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x270/0x380 kernel/rcu/tree.c:2256
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 14949 Comm: syz.0.2358 Not tainted 6.16.0-rc4-syzkaller-00108-g17bbde2e1716 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:869 [inline]
RIP: 0010:advance_sched+0x8bc/0xc80 net/sched/sch_taprio.c:987
Code: 5d e8 8c be 9d 03 00 00 48 c7 c7 80 5c e8 8c c6 05 13 e0 fc 06 01 e8 e3 ad 04 f8 e9 3f f8 ff ff e8 19 a2 28 f8 e8 94 de 0d f8 <31> ff 89 c3 89 c6 e8 e9 9c 28 f8 84 db 0f 85 0a fe ff ff e8 fc a1
RSP: 0018:ffffc90000007d90 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff89937ca1
RDX: 0000000000000000 RSI: ffffffff8c157d20 RDI: ffffffff8df27da0
RBP: ffff888032c75400 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 1865cdeee5737a33
R13: 1865cdeee5737a33 R14: 0000000000000000 R15: ffff88803302e800
FS: 00007fd4957e06c0(0000) GS:ffff888124752000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ecfdff8 CR3: 000000002729e000 CR4: 00000000003526f0
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1825
hrtimer_interrupt+0x397/0x8e0 kernel/time/hrtimer.c:1887
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
__sysvec_apic_timer_interrupt+0x108/0x3f0 arch/x86/kernel/apic/apic.c:1056
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 46 f0 14 f6 48 89 df e8 2e 44 15 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 65 64 05 f6 65 8b 05 2e 5a 49 08 85 c0 74 16 5b
RSP: 0018:ffffc90003a7fca8 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880b8427c80 RCX: 0000000000000007
RDX: 0000000000000000 RSI: ffffffff8de1a6a6 RDI: ffffffff8c157da0
RBP: 0000000000000283 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90a81857 R11: 0000000000000001 R12: 0000000000000000
R13: 000000c3a52fdc80 R14: dffffc0000000000 R15: ffff8880b8427c80
clock_was_set+0x599/0x870 kernel/time/hrtimer.c:972
do_settimeofday64+0x323/0x4d0 kernel/time/timekeeping.c:1407
do_sys_settimeofday64+0x1dc/0x260 kernel/time/time.c:195
__do_sys_clock_settime kernel/time/posix-timers.c:1132 [inline]
__se_sys_clock_settime kernel/time/posix-timers.c:1116 [inline]
__x64_sys_clock_settime+0x1be/0x2a0 kernel/time/posix-timers.c:1116
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd49498e929
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:00007fd4957e0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007fd494bb6160 RCX: 00007fd49498e929
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000000000000000
RBP: 00007fd494a10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd494bb6160 R15: 00007ffcfc7f9378