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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 15888 at net/sched/sch_generic.c:526 dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525
Modules linked in:
CPU: 1 PID: 15888 Comm: syz-executor.0 Not tainted 6.1.79-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525
Code: ed f8 c6 05 44 b7 c2 05 01 48 8b 1c 24 48 89 df e8 75 65 e5 ff 48 c7 c7 c0 9e e3 8b 48 89 de 48 89 c2 44 89 f1 e8 20 e6 b5 f8 <0f> 0b e9 8b fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c1 fb ff
RSP: 0018:ffffc900001e0b00 EFLAGS: 00010246
RAX: d42f37c3c8a3a400 RBX: ffff88803ee58000 RCX: ffff88801f879dc0
RDX: 0000000000000101 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000100008a80 R08: ffffffff81527e8e R09: fffff5200003c0c1
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11007dcb089
R13: 00000001000085d1 R14: 0000000000000000 R15: 0000000000000110
FS: 0000555555bca480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556b55938 CR3: 000000002d965000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1790
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803
__do_softirq+0x2e9/0xa4c kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:203
Code: e8 25 00 00 00 0f 0b 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 78 c9 e8 0c 48 89 de 5b e9 87 99 56 00 cc cc cc cc cc cc cc <48> 8b 04 24 65 48 8b 0d 44 f0 77 7e 65 8b 15 45 f0 77 7e f7 c2 00
RSP: 0018:ffffc90003676bb8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88801f879dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003676c90 R08: ffffffff81bc0b7c R09: fffffbfff1ce68c6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd40003f79d0
R13: ffff88801e82ee80 R14: 1ffffd40003f79d1 R15: ffffea0001fbce88
arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
page_fixed_fake_head include/linux/page-flags.h:216 [inline]
page_is_fake_head include/linux/page-flags.h:248 [inline]
PageTail include/linux/page-flags.h:292 [inline]
folio_flags include/linux/page-flags.h:319 [inline]
folio_test_unevictable include/linux/page-flags.h:558 [inline]
folio_inc_refs mm/swap.c:436 [inline]
folio_mark_accessed+0x110/0x1c90 mm/swap.c:478
__find_get_block+0x2c8/0x1120 fs/buffer.c:1311
__getblk_gfp+0x2d/0xa20 fs/buffer.c:1329
sb_getblk include/linux/buffer_head.h:356 [inline]
__ext4_get_inode_loc+0x4ed/0xe40 fs/ext4/inode.c:4500
ext4_get_inode_loc fs/ext4/inode.c:4628 [inline]
ext4_reserve_inode_write+0x17e/0x360 fs/ext4/inode.c:5858
__ext4_mark_inode_dirty+0x1f2/0x920 fs/ext4/inode.c:6035
ext4_dirty_inode+0xbf/0x100 fs/ext4/inode.c:6072
__mark_inode_dirty+0x331/0xf80 fs/fs-writeback.c:2433
mark_inode_dirty include/linux/fs.h:2525 [inline]
dquot_alloc_space include/linux/quotaops.h:320 [inline]
dquot_alloc_block include/linux/quotaops.h:337 [inline]
ext4_mb_new_blocks+0x24b1/0x4820 fs/ext4/mballoc.c:5655
ext4_ext_map_blocks+0x1b0c/0x77c0 fs/ext4/extents.c:4287
ext4_map_blocks+0xa3c/0x1ca0 fs/ext4/inode.c:651
ext4_getblk+0x1eb/0x7c0 fs/ext4/inode.c:866
ext4_bread+0x2a/0x170 fs/ext4/inode.c:922
ext4_append+0x31f/0x5c0 fs/ext4/namei.c:83
ext4_init_new_dir+0x33a/0xa20 fs/ext4/namei.c:2981
ext4_mkdir+0x4f2/0xce0 fs/ext4/namei.c:3027
vfs_mkdir+0x3b6/0x590 fs/namei.c:4108
do_mkdirat+0x225/0x360 fs/namei.c:4133
__do_sys_mkdirat fs/namei.c:4148 [inline]
__se_sys_mkdirat fs/namei.c:4146 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4146
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd20ae7c8a7
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 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:00007ffd8ffd00a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ffd8ffd0130 RCX: 00007fd20ae7c8a7
RDX: 00000000000001ff RSI: 00007ffd8ffd0130 RDI: 00000000ffffff9c
RBP: 00007ffd8ffd010c R08: 0000000000000005 R09: 00007ffd8ffcfe45
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032
R13: 00000000000a03ef R14: 00000000000a0301 R15: 0000000000000001
----------------
Code disassembly (best guess):
0: e8 25 00 00 00 call 0x2a
5: 0f 0b ud2
7: 0f 1f 00 nopl (%rax)
a: 53 push %rbx
b: 48 89 fb mov %rdi,%rbx
e: e8 17 00 00 00 call 0x2a
13: 48 8b 3d 78 c9 e8 0c mov 0xce8c978(%rip),%rdi # 0xce8c992
1a: 48 89 de mov %rbx,%rsi
1d: 5b pop %rbx
1e: e9 87 99 56 00 jmp 0x5699aa
23: cc int3
24: cc int3
25: cc int3
26: cc int3
27: cc int3
28: cc int3
29: cc int3
* 2a: 48 8b 04 24 mov (%rsp),%rax <-- trapping instruction
2e: 65 48 8b 0d 44 f0 77 mov %gs:0x7e77f044(%rip),%rcx # 0x7e77f07a
35: 7e
36: 65 8b 15 45 f0 77 7e mov %gs:0x7e77f045(%rip),%edx # 0x7e77f082
3d: f7 .byte 0xf7
3e: c2 .byte 0xc2