watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz.5.301:8336]
Modules linked in:
irq event stamp: 169090
hardirqs last  enabled at (169089): [<ffff80008b6ab3bc>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]
hardirqs last  enabled at (169089): [<ffff80008b6ab3bc>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95
hardirqs last disabled at (169090): [<ffff80008b6a8e34>] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline]
hardirqs last disabled at (169090): [<ffff80008b6a8e34>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575
softirqs last  enabled at (169086): [<ffff80008030f088>] softirq_handle_end kernel/softirq.c:407 [inline]
softirqs last  enabled at (169086): [<ffff80008030f088>] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589
softirqs last disabled at (169053): [<ffff800080020db4>] __do_softirq+0x14/0x20 kernel/softirq.c:595
CPU: 0 UID: 0 PID: 8336 Comm: syz.5.301 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : csd_lock_wait kernel/smp.c:340 [inline]
pc : smp_call_function_single+0x394/0x1938 kernel/smp.c:679
lr : csd_lock_wait kernel/smp.c:340 [inline]
lr : smp_call_function_single+0x3ac/0x1938 kernel/smp.c:679
sp : ffff8000a0547140
x29: ffff8000a0547280 x28: ffff8000a0547230 x27: ffff8000a0547238
x26: ffff8000a054722e x25: dfff800000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000001 x21: 0000000000000011
x20: ffff0000d15d5ac8 x19: ffff8000a0547228 x18: ffff0000d864f0b8
x17: 0000000000000000 x16: ffff80008327a354 x15: 0000000000000001
x14: 1ffff000140a8e45 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 000000000007ffff x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000011 x6 : 0000000000000000
x5 : ffff8000a0547240 x4 : ffff80008ef23cc0 x3 : ffff8000805e8650
x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:231 [inline] (P)
 __cmpwait arch/arm64/include/asm/cmpxchg.h:257 [inline] (P)
 csd_lock_wait kernel/smp.c:340 [inline] (P)
 smp_call_function_single+0x394/0x1938 kernel/smp.c:679 (P)
 rcu_barrier+0x310/0x534 kernel/rcu/tree.c:4617
 flush_rcu_work+0x74/0xa8 kernel/workqueue.c:4300
 kvfree_rcu_barrier+0x1fc/0x284 kernel/rcu/tree.c:3941
 kmem_cache_destroy+0x34/0x174 mm/slab_common.c:497
 bio_put_slab block/bio.c:155 [inline]
 bioset_exit+0x330/0x434 block/bio.c:1755
 bch2_fs_io_read_exit+0x70/0x80 fs/bcachefs/io_read.c:1249
 __bch2_fs_free fs/bcachefs/super.c:553 [inline]
 bch2_fs_release+0x1e0/0x728 fs/bcachefs/super.c:611
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x2a8/0x41c lib/kobject.c:737
 bch2_fs_free+0x2c4/0x334 fs/bcachefs/super.c:673
 bch2_fs_stop+0x28/0x38 fs/bcachefs/super.c:679
 bch2_fs_get_tree+0xab0/0x1030 fs/bcachefs/fs.c:2265
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 do_new_mount+0x278/0x900 fs/namespace.c:3511
 path_mount+0x590/0xe04 fs/namespace.c:3838
 do_mount fs/namespace.c:3851 [inline]
 __do_sys_mount fs/namespace.c:4061 [inline]
 __se_sys_mount fs/namespace.c:4038 [inline]
 __arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4038
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Sending NMI from CPU 0 to CPUs 1: