loop6: detected capacity change from 0 to 264192 watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:11275] Modules linked in: irq event stamp: 4707933 hardirqs last enabled at (4707932): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4707933): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4700258): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4700261): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 11275 Comm: syz-executor.2 Not tainted 6.1.0-rc6-next-20221122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x83/0xf0 Code: 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 <48> 01 d8 48 39 c1 73 b0 4c 8d 63 fc 49 39 ec 73 b3 4d 29 ee 49 c1 RSP: 0018:ffff88806cf097a8 EFLAGS: 00000246 RAX: fffffffffb41ed7b RBX: ffffffff85d63d08 RCX: ffffffff81182ac8 RDX: 0000000000000000 RSI: ffffffff8605fdd2 RDI: ffffffff85d63cf4 RBP: ffffffff85d63cf4 R08: ffffffff8605fdd2 R09: ffffffff8605fcf2 R10: ffffed100d9e131b R11: 0000000000038001 R12: ffffffff85d63d1c R13: ffffffff85d63cf4 R14: ffffffff85d63cf4 R15: dffffc0000000000 FS: 00007f8ba47a4700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555617d098 CR3: 0000000045998000 CR4: 0000000000350ee0 Call Trace: unwind_next_frame+0x2b1/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 __kmem_cache_free+0xcf/0x410 skb_release_data+0x6d8/0x810 consume_skb+0xcb/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:crc32_body+0x148/0x600 Code: 00 48 89 ce 48 c1 ee 03 42 0f b6 3c 26 48 89 ce 83 e6 07 83 c6 03 40 38 fe 7c 09 40 84 ff 0f 85 3c 04 00 00 c1 e8 18 44 8b 09 <49> 8d 84 85 00 10 00 00 48 89 c1 48 c1 e9 03 42 0f b6 34 21 48 89 RSP: 0018:ffff88803b60f488 EFLAGS: 00000217 RAX: 0000000000000005 RBX: 0000000051b813bf RCX: ffffffff849f06b4 RDX: 0000000000040000 RSI: 0000000000000007 RDI: 0000000000000000 RBP: 00000000bd77fa49 R08: 0000000000000006 R09: 00000000a43fe52a R10: 0000000000000009 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff849ef000 R14: 0000000000000009 R15: ffff888048e5d244 chksum_update+0x50/0xb0 crypto_shash_update+0xce/0x130 ext4_inode_csum+0x189/0x8f0 ext4_inode_csum_set+0x16d/0x360 ext4_fill_raw_inode+0x11ad/0x1e90 ext4_mark_iloc_dirty+0x52c/0x1ba0 ext4_orphan_add+0xc2c/0x1300 ext4_setattr+0x1ed7/0x2980 notify_change+0xcce/0x1420 do_truncate+0x143/0x200 path_openat+0x20cc/0x29b0 do_filp_open+0x1ba/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_creat+0xcd/0x120 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f8ba722eb19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8ba47a4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f8ba7341f60 RCX: 00007f8ba722eb19 RDX: 0000000000000000 RSI: 0000000000000119 RDI: 0000000020000240 RBP: 00007f8ba7288f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd8756528f R14: 00007f8ba47a4300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 01 d0 add %edx,%eax 2: 48 d1 f8 sar %rax 5: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx a: 48 89 d8 mov %rbx,%rax d: 48 c1 e8 03 shr $0x3,%rax 11: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx 16: 48 89 d8 mov %rbx,%rax 19: 83 e0 07 and $0x7,%eax 1c: 83 c0 03 add $0x3,%eax 1f: 38 d0 cmp %dl,%al 21: 7c 04 jl 0x27 23: 84 d2 test %dl,%dl 25: 75 50 jne 0x77 27: 48 63 03 movslq (%rbx),%rax * 2a: 48 01 d8 add %rbx,%rax <-- trapping instruction 2d: 48 39 c1 cmp %rax,%rcx 30: 73 b0 jae 0xffffffe2 32: 4c 8d 63 fc lea -0x4(%rbx),%r12 36: 49 39 ec cmp %rbp,%r12 39: 73 b3 jae 0xffffffee 3b: 4d 29 ee sub %r13,%r14 3e: 49 rex.WB 3f: c1 .byte 0xc1