------------[ cut here ]------------ WARNING: CPU: 1 PID: 20692 at net/mac80211/rx.c:4902 ieee80211_rx_list+0x18e2/0x2740 net/mac80211/rx.c:4902 Modules linked in: CPU: 1 PID: 20692 Comm: syz-executor.0 Not tainted 5.16.0-syzkaller-11655-ge5313968c41b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ieee80211_rx_list+0x18e2/0x2740 net/mac80211/rx.c:4902 Code: 00 00 31 ff 89 de e8 6d 9a d8 f8 85 db 0f 85 19 02 00 00 e8 40 98 d8 f8 4c 89 e7 e8 58 ef 88 fe e9 bc eb ff ff e8 2e 98 d8 f8 <0f> 0b e9 53 ec ff ff e8 22 98 d8 f8 4c 89 ea 48 b8 00 00 00 00 00 RSP: 0018:ffffc900001c0c90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8880602c33c8 RCX: 0000000000000100 RDX: ffff888018013a00 RSI: ffffffff889fbdc2 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff889fa75b R11: 0000000000000000 R12: ffff888077230280 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880602c0e60 FS: 00007fee13574700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c825000 CR3: 000000007d732000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_rx_napi+0xdb/0x3d0 net/mac80211/rx.c:5000 ieee80211_rx include/net/mac80211.h:4594 [inline] ieee80211_tasklet_handler+0xd4/0x130 net/mac80211/main.c:235 tasklet_action_common.constprop.0+0x201/0x2e0 kernel/softirq.c:784 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:preempt_count_sub+0x1a/0x150 kernel/sched/core.c:5474 Code: e8 1b 8b 6f 00 eb ac 66 0f 1f 84 00 00 00 00 00 48 c7 c0 c0 a9 33 90 53 89 fb 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 <48> c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 e4 00 00 RSP: 0018:ffffc90005ddeef0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff9033a9c0 RDX: dffffc0000000000 RSI: ffffc90005ddf8f0 RDI: 0000000000000001 RBP: ffffc90005ddf920 R08: ffffffff8e1f26b8 R09: 0000000000000001 R10: fffff52000bbbe06 R11: 0000000000088078 R12: ffffc90005dd8000 R13: ffffc90005ddf00d R14: ffffc90005ddefd8 R15: ffffc90005ddf00c unwind_next_frame+0xee1/0x1ce0 arch/x86/kernel/unwind_orc.c:624 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:437 [inline] ____kasan_kmalloc mm/kasan/common.c:516 [inline] ____kasan_kmalloc mm/kasan/common.c:475 [inline] __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:525 kmalloc_array include/linux/slab.h:621 [inline] kcalloc include/linux/slab.h:652 [inline] ext4_find_extent+0xa38/0xd10 fs/ext4/extents.c:905 ext4_ext_map_blocks+0x1e2/0x5f30 fs/ext4/extents.c:4098 ext4_map_blocks+0x9ca/0x18a0 fs/ext4/inode.c:563 ext4_iomap_alloc fs/ext4/inode.c:3354 [inline] ext4_iomap_begin+0x439/0x780 fs/ext4/inode.c:3404 iomap_iter+0x454/0x1110 fs/iomap/iter.c:74 __iomap_dio_rw+0x6b2/0x1ad0 fs/iomap/direct-io.c:589 iomap_dio_rw+0x38/0x90 fs/iomap/direct-io.c:680 ext4_dio_write_iter fs/ext4/file.c:564 [inline] ext4_file_write_iter+0xe1b/0x14d0 fs/ext4/file.c:675 call_write_iter include/linux/fs.h:2086 [inline] new_sync_write+0x431/0x660 fs/read_write.c:503 vfs_write+0x7cd/0xae0 fs/read_write.c:590 ksys_write+0x12d/0x250 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fee14bff049 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fee13574168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fee14d11f60 RCX: 00007fee14bff049 RDX: 000000002020b000 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007fee14c5908d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9d9b99ef R14: 00007fee13574300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: e8 1b 8b 6f 00 callq 0x6f8b20 5: eb ac jmp 0xffffffb3 7: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) e: 00 00 10: 48 c7 c0 c0 a9 33 90 mov $0xffffffff9033a9c0,%rax 17: 53 push %rbx 18: 89 fb mov %edi,%ebx 1a: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 21: fc ff df 24: 48 89 c1 mov %rax,%rcx 27: 83 e0 07 and $0x7,%eax * 2a: 48 c1 e9 03 shr $0x3,%rcx <-- trapping instruction 2e: 83 c0 03 add $0x3,%eax 31: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx 35: 38 d0 cmp %dl,%al 37: 7c 08 jl 0x41 39: 84 d2 test %dl,%dl 3b: 0f .byte 0xf 3c: 85 e4 test %esp,%esp