sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [kswapd0:39] Modules linked in: irq event stamp: 559092 hardirqs last enabled at (559091): [] _raw_spin_unlock_irqrestore+0x28/0x50 hardirqs last disabled at (559092): [] __schedule+0x1223/0x2490 softirqs last enabled at (555854): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (555845): [] __irq_exit_rcu+0x113/0x170 CPU: 1 PID: 39 Comm: kswapd0 Tainted: G B 5.19.0-rc3-next-20220623 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:smp_call_function_many_cond+0x41b/0xb30 Code: 0a 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 87 0e 0a 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 ad 05 00 00 8b 43 08 31 RSP: 0018:ffff88800c4ef468 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff88806ce3f180 RCX: 0000000000000000 RDX: ffff88800bdb5040 RSI: ffffffff813a7419 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffed100d9c7e31 R13: 0000000000000000 R14: ffff88806ce3f188 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff113a1de28 CR3: 0000000005026000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: on_each_cpu_cond_mask+0x56/0xa0 kvm_flush_tlb_multi+0x202/0x2c0 arch_tlbbatch_flush+0x1eb/0x350 try_to_unmap_flush+0x67/0xf0 shrink_page_list+0x2639/0x30d0 shrink_lruvec+0xbd0/0x22c0 shrink_node+0x829/0x1d10 balance_pgdat+0x8bb/0x1490 kswapd+0x739/0xe90 kthread+0x2f2/0x3b0 ret_from_fork+0x22/0x30 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 14043 Comm: syz-executor Tainted: G B 5.19.0-rc3-next-20220623 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:kasan_report+0x165/0x1c0 Code: 08 4c 89 e2 be 01 00 00 00 e8 17 cd d7 ff 65 ff 0d a0 30 8b 7e 0f 85 73 ff ff ff 0f 1f 44 00 00 e9 69 ff ff ff 31 c0 41 56 9d <48> 83 c4 38 5b 5d 41 5c 41 5d 41 5e c3 e8 59 3f a2 02 85 c0 0f 84 RSP: 0018:ffff88801e727a80 EFLAGS: 00000082 RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffffffff812990c0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88804d182a20 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88804d182a23 R10: ffffed1009a30544 R11: 0000000000000001 R12: ffff88804d182a20 R13: ffffffff812990c0 R14: 0000000000000082 R15: 1ffff11003ce4f5e FS: 0000555556321400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff113b7b020 CR3: 000000004d3a8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: queued_spin_lock_slowpath+0xae0/0xc80 do_raw_spin_lock+0x1d8/0x260 kmemleak_scan+0x21d/0x16b0 kmemleak_write+0x56c/0x680 full_proxy_write+0x11d/0x190 vfs_write+0x264/0xac0 ksys_write+0x127/0x250 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f160654e5c3 Code: 16 00 00 00 eb ae 90 b8 6e 00 00 00 eb a6 e8 44 ef 04 00 0f 1f 40 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RSP: 002b:00007ffc40e7c798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ffc40e7cdd8 RCX: 00007f160654e5c3 RDX: 0000000000000004 RSI: 00007f1606604ed9 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000caa R09: 00007ffc40ed6080 R10: 00007ffc40ed6090 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc40e7c870 R14: 0000000000000000 R15: 0000000000000003 ---------------- Code disassembly (best guess): 0: 0a 00 or (%rax),%al 2: 85 ed test %ebp,%ebp 4: 74 4d je 0x53 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 4d 89 f4 mov %r14,%r12 13: 4c 89 f5 mov %r14,%rbp 16: 49 c1 ec 03 shr $0x3,%r12 1a: 83 e5 07 and $0x7,%ebp 1d: 49 01 c4 add %rax,%r12 20: 83 c5 03 add $0x3,%ebp 23: e8 87 0e 0a 00 callq 0xa0eaf 28: f3 90 pause * 2a: 41 0f b6 04 24 movzbl (%r12),%eax <-- trapping instruction 2f: 40 38 c5 cmp %al,%bpl 32: 7c 08 jl 0x3c 34: 84 c0 test %al,%al 36: 0f 85 ad 05 00 00 jne 0x5e9 3c: 8b 43 08 mov 0x8(%rbx),%eax 3f: 31 .byte 0x31