watchdog: BUG: soft lockup - CPU#1 stuck for 144s! [syz-executor.2:17906]
Modules linked in:
CPU: 1 PID: 17906 Comm: syz-executor.2 Tainted: G W 5.15.149-syzkaller-00490-g5d96939590c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:pv_wait_node kernel/locking/qspinlock_paravirt.h:301 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x38b/0xc40 kernel/locking/qspinlock.c:473
Code: 00 00 00 00 00 fc ff df 41 0f b6 04 16 84 c0 0f 85 ac 00 00 00 48 8b 44 24 08 83 38 00 0f 85 15 01 00 00 45 84 e4 74 09 f3 90 <41> ff cc 75 d9 eb 1b 48 8b 44 24 20 0f b6 04 10 84 c0 0f 85 cd 00
RSP: 0018:ffffc9000178f340 EFLAGS: 00000206
RAX: ffff8881f7137ec8 RBX: ffff8881f7137ed4 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8881f7137ed4
RBP: ffffc9000178f430 R08: dffffc0000000000 R09: ffffed103ee26fdb
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000002021
R13: 1ffff11024f237d1 R14: 1ffff1103ee26fd9 R15: ffff88812791be88
FS: 0000555555fee480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555ff7818 CR3: 0000000123dbc000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock include/linux/spinlock.h:187 [inline]
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
_raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
sock_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937
bpf_prog_2c29ac5cdc6b1842+0x3a/0x38c
bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
__bpf_prog_run include/linux/filter.h:625 [inline]
bpf_prog_run include/linux/filter.h:632 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline]
bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920
__bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
trace_kfree include/trace/events/kmem.h:118 [inline]
kfree+0x1f3/0x220 mm/slub.c:4569
fscrypt_fname_free_buffer+0x43/0x70 fs/crypto/fname.c:311
htree_dirblock_to_tree+0xfc4/0x10d0 fs/ext4/namei.c:1169
ext4_htree_fill_tree+0x73d/0x13e0 fs/ext4/namei.c:1219
ext4_dx_readdir fs/ext4/dir.c:598 [inline]
ext4_readdir+0x2ec3/0x38d0 fs/ext4/dir.c:142
iterate_dir+0x265/0x610
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1c1/0x460 fs/readdir.c:354
__x64_sys_getdents64+0x7b/0x90 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb1099863a3
Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 52 8b fa ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b0 ff ff ff f7 d8
RSP: 002b:00007fffddb3cb68 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555555fef810 RCX: 00007fb1099863a3
RDX: 0000000000008000 RSI: 0000555555fef810 RDI: 0000000000000003
RBP: 0000555555fef7e4 R08: 00007fffddb83080 R09: 00007fffddb830b0
R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb0
R13: 0000000000000016 R14: 0000555555fef7e0 R15: 0000000000000007
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 19054 Comm: syz-executor.1 Tainted: G W 5.15.149-syzkaller-00490-g5d96939590c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918
Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
RSP: 0018:ffffc900009a68c0 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff92000134d1c RCX: ffffffff8154fa7f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88812791be88
RBP: ffffc900009a6970 R08: dffffc0000000000 R09: ffffed1024f237d2
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88812791be88 R14: 0000000000000003 R15: 1ffff92000134d20
FS: 00007efe1a3ba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32d24000 CR3: 000000012523c000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock include/linux/spinlock.h:187 [inline]
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
_raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
sock_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937
bpf_prog_2c29ac5cdc6b1842+0x3a/0x38c
bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
__bpf_prog_run include/linux/filter.h:625 [inline]
bpf_prog_run include/linux/filter.h:632 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline]
bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920
__bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
trace_kfree include/trace/events/kmem.h:118 [inline]
kfree+0x1f3/0x220 mm/slub.c:4569
sk_psock_free_link include/linux/skmsg.h:420 [inline]
sock_map_del_link net/core/sock_map.c:160 [inline]
sock_map_unref+0x352/0x4d0 net/core/sock_map.c:182
sock_hash_delete_elem+0x274/0x2f0 net/core/sock_map.c:941
bpf_prog_2c29ac5cdc6b1842+0x3a/0x38c
bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
__bpf_prog_run include/linux/filter.h:625 [inline]
bpf_prog_run include/linux/filter.h:632 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline]
bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920
__bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
trace_kfree include/trace/events/kmem.h:118 [inline]
kfree+0x1f3/0x220 mm/slub.c:4569
ext4_ext_map_blocks+0x25f6/0x7250 fs/ext4/extents.c:4381
ext4_map_blocks+0x41d/0x1e00 fs/ext4/inode.c:571
ext4_getblk+0x19f/0x700 fs/ext4/inode.c:847
ext4_bread_batch+0x67/0x4c0 fs/ext4/inode.c:921
__ext4_find_entry+0xfbe/0x1af0 fs/ext4/namei.c:1670
ext4_lookup_entry fs/ext4/namei.c:1771 [inline]
ext4_lookup+0x3c6/0xaa0 fs/ext4/namei.c:1839
__lookup_slow+0x2b9/0x400 fs/namei.c:1663
lookup_slow+0x5a/0x80 fs/namei.c:1680
walk_component+0x48c/0x610 fs/namei.c:1976
lookup_last fs/namei.c:2431 [inline]
path_lookupat+0x16d/0x450 fs/namei.c:2455
filename_lookup+0x230/0x5c0 fs/namei.c:2484
user_path_at_empty+0x43/0x1a0 fs/namei.c:2883
user_path_at include/linux/namei.h:57 [inline]
do_mount fs/namespace.c:3345 [inline]
__do_sys_mount fs/namespace.c:3556 [inline]
__se_sys_mount+0x285/0x3b0 fs/namespace.c:3533
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3533
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7efe1b646ea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efe1a3ba0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007efe1b774f80 RCX: 00007efe1b646ea9
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000000
RBP: 00007efe1b6934a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007efe1b774f80 R15: 00007ffecf8347d8