------------[ cut here ]------------
WARNING: CPU: 0 PID: 5045 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 0 PID: 5045 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Modules linked in:
CPU: 0 PID: 5045 Comm: syz.3.136 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Code: f8 0f 0b e9 f1 fa ff ff e8 f1 c2 41 f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 e0 c2 41 f8 0f 0b e9 3c ef ff ff e8 d4 c2 41 f8 <0f> 0b e9 b8 f2 ff ff e8 f8 dd 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc900000078c0 EFLAGS: 00010246
RAX: ffffffff8936093c RBX: ffff88805f9ecc80 RCX: ffff8880268ebb80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007ae8 R08: ffff8880268ebb80 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888079524a00
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000000f28
FS: 00007fc0342436c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f33b3d8cb CR3: 000000007d9c2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202
ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__sanitizer_cov_trace_pc+0x3e/0x60 kernel/kcov.c:211
Code: e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c 8b 91 10 16 00 00 83 fa 02 75 21 48 8b 91 18 16 00 00 <48> 8b 32 48 8d 7e 01 8b 89 14 16 00 00 48 39 cf 73 08 48 89 44 f2
RSP: 0018:ffffc9000363f6f8 EFLAGS: 00000246
RAX: ffffffff82cb6cd5 RBX: ffff888056b86000 RCX: ffff8880268ebb80
RDX: ffffc9000d351000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100ad70c24
R10: 0000000000000000 R11: 0000000000000018 R12: 1ffff1100ad70c02
R13: dffffc0000000000 R14: 000000000000000d R15: 1ffff1100ad70c00
dtSplitRoot+0x715/0x1510 fs/jfs/jfs_dtree.c:1981
dtSplitUp fs/jfs/jfs_dtree.c:993 [inline]
dtInsert+0xe20/0x57a0 fs/jfs/jfs_dtree.c:871
jfs_link+0x309/0x590 fs/jfs/namei.c:825
vfs_link+0x615/0x7c0 fs/namei.c:4565
do_linkat+0x277/0x7b0 fs/namei.c:4636
__do_sys_link fs/namei.c:4670 [inline]
__se_sys_link fs/namei.c:4668 [inline]
__x64_sys_link+0x82/0x90 fs/namei.c:4668
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc035ffd749
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:00007fc034243038 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007fc036254090 RCX: 00007fc035ffd749
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000200000000940
RBP: 00007fc036081f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc036254128 R14: 00007fc036254090 R15: 00007ffe5b868f38
----------------
Code disassembly (best guess):
0: e2 00 loop 0x2
2: 01 ff add %edi,%edi
4: 00 74 11 81 add %dh,-0x7f(%rcx,%rdx,1)
8: fa cli
9: 00 01 add %al,(%rcx)
b: 00 00 add %al,(%rax)
d: 75 35 jne 0x44
f: 83 b9 34 16 00 00 00 cmpl $0x0,0x1634(%rcx)
16: 74 2c je 0x44
18: 8b 91 10 16 00 00 mov 0x1610(%rcx),%edx
1e: 83 fa 02 cmp $0x2,%edx
21: 75 21 jne 0x44
23: 48 8b 91 18 16 00 00 mov 0x1618(%rcx),%rdx
* 2a: 48 8b 32 mov (%rdx),%rsi <-- trapping instruction
2d: 48 8d 7e 01 lea 0x1(%rsi),%rdi
31: 8b 89 14 16 00 00 mov 0x1614(%rcx),%ecx
37: 48 39 cf cmp %rcx,%rdi
3a: 73 08 jae 0x44
3c: 48 rex.W
3d: 89 .byte 0x89
3e: 44 rex.R
3f: f2 repnz