vcan0: j1939_tp_rxtimer: 0x00000000c3883630: rx timeout, send abort
vcan0: j1939_xtp_rx_abort_one: 0x00000000c3883630: 0x10000: (3) A timeout occurred and this is the connection abort to close the session.
watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz.1.272:6263]
Modules linked in:
irq event stamp: 10350
hardirqs last  enabled at (10349): [<ffff8000111cfb90>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (10349): [<ffff8000111cfb90>] exit_to_kernel_mode+0xe0/0x168 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (10350): [<ffff8000111cfde8>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (6044): [<ffff80000819e9e8>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (6044): [<ffff80000819e9e8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604
softirqs last disabled at (5969): [<ffff80000819efec>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (5969): [<ffff80000819efec>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (5969): [<ffff80000819efec>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (5969): [<ffff80000819efec>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
CPU: 0 PID: 6263 Comm: syz.1.272 Not tainted 5.15.188-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : csd_lock_wait kernel/smp.c:440 [inline]
pc : smp_call_function_many_cond+0xe00/0xeb0 kernel/smp.c:969
lr : csd_lock_wait kernel/smp.c:440 [inline]
lr : smp_call_function_many_cond+0xe18/0xeb0 kernel/smp.c:969
sp : ffff800020317610
x29: ffff800020317660 x28: ffff80001417d000 x27: 0000000000000001
x26: 0000000000000011 x25: ffff0001a10c7980 x24: ffff800014181000
x23: 1fffe00034218f30 x22: dfff800000000000 x21: ffff0001a10ed108
x20: ffff80001436d500 x19: 0000000000000001 x18: 0000000000000000
x17: 0000000000000002 x16: ffff8000082c0bc8 x15: 0000000000000406
x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000080000
x11: 000000000007ffff x10: ffff800021b3c000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000083cda8c
x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:252 [inline]
 __cmpwait arch/arm64/include/asm/cmpxchg.h:278 [inline]
 csd_lock_wait kernel/smp.c:440 [inline]
 smp_call_function_many_cond+0xe00/0xeb0 kernel/smp.c:969
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1135
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1426
 kill_bdev block/bdev.c:76 [inline]
 set_blocksize+0x26c/0x2f0 block/bdev.c:157
 sb_set_blocksize+0x50/0x100 block/bdev.c:166
 udf_load_vrs+0x84/0xa18 fs/udf/super.c:2007
 udf_fill_super+0x554/0x1464 fs/udf/super.c:2211
 mount_bdev+0x264/0x358 fs/super.c:1400
 udf_mount+0x44/0x58 fs/udf/super.c:129
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611
 vfs_get_tree+0x90/0x274 fs/super.c:1530
 do_new_mount+0x228/0x810 fs/namespace.c:3014
 path_mount+0x5b4/0x1000 fs/namespace.c:3344
 do_mount fs/namespace.c:3357 [inline]
 __do_sys_mount fs/namespace.c:3565 [inline]
 __se_sys_mount fs/namespace.c:3542 [inline]
 __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3542
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584