[ 85.479058][ T5090] sshd (5090) used greatest stack depth: 18384 bytes left Warning: Permanently added '[localhost]:20270' (ED25519) to the list of known hosts. executing program [ 91.452643][ T5102] loop0: detected capacity change from 0 to 32768 [ 91.458085][ T5102] Oops: divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 91.460705][ T5102] CPU: 0 UID: 0 PID: 5102 Comm: syz-executor109 Not tainted 6.11.0-syzkaller-05442-g932d2d1fcb2b #0 [ 91.465542][ T5102] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 91.469582][ T5102] RIP: 0010:__bch2_strtoh+0xb59/0xeb0 [ 91.472064][ T5102] Code: ff 0f 88 8f 00 00 00 4c 89 74 24 08 44 89 f8 48 01 c5 48 89 2c 24 e8 96 52 49 fd 4d 89 e6 44 89 e1 48 c7 c0 ff ff ff ff 31 d2 <48> f7 f1 48 89 c5 48 8b 5c 24 18 48 89 df 48 89 c6 e8 d1 54 49 fd [ 91.479699][ T5102] RSP: 0018:ffffc90002dff8e8 EFLAGS: 00010246 [ 91.482083][ T5102] RAX: ffffffffffffffff RBX: 0000000000000000 RCX: 0000000000000000 [ 91.484980][ T5102] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 91.487872][ T5102] RBP: ffff8880382487a2 R08: ffffffff844a8c4d R09: 0000000000000000 [ 91.490844][ T5102] R10: 0000000000000009 R11: ffff88801fdc8000 R12: 1000000000000000 [ 91.494138][ T5102] R13: ffff8880382487a0 R14: 1000000000000000 R15: 0000000000000001 [ 91.497210][ T5102] FS: 00005555730ab380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 91.500565][ T5102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.503175][ T5102] CR2: 00007f9b13dff000 CR3: 000000004001a000 CR4: 0000000000350ef0 [ 91.506749][ T5102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.509803][ T5102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.512716][ T5102] Call Trace: [ 91.513959][ T5102] [ 91.515096][ T5102] ? __die_body+0x5f/0xb0 [ 91.516694][ T5102] ? die+0x9e/0xc0 [ 91.518094][ T5102] ? do_trap+0x15a/0x3a0 [ 91.519684][ T5102] ? __bch2_strtoh+0xb59/0xeb0 [ 91.521508][ T5102] ? do_error_trap+0x1dc/0x2c0 [ 91.523352][ T5102] ? __bch2_strtoh+0xb59/0xeb0 [ 91.525151][ T5102] ? __pfx_do_error_trap+0x10/0x10 [ 91.527070][ T5102] ? rcu_is_watching+0x15/0xb0 [ 91.528843][ T5102] ? exc_divide_error+0x39/0x50 [ 91.530704][ T5102] ? __bch2_strtoh+0xb59/0xeb0 [ 91.532539][ T5102] ? asm_exc_divide_error+0x1a/0x20 [ 91.534496][ T5102] ? __bch2_strtoh+0xb2d/0xeb0 [ 91.536277][ T5102] ? __bch2_strtoh+0xb59/0xeb0 [ 91.538077][ T5102] ? __bch2_strtoh+0xb4a/0xeb0 [ 91.539892][ T5102] bch2_strtou64_h+0xa5/0x120 [ 91.541663][ T5102] ? __pfx_bch2_strtou64_h+0x10/0x10 [ 91.543684][ T5102] bch2_opt_parse+0x2dd/0x4c0 [ 91.545507][ T5102] bch2_parse_one_mount_opt+0x2d3/0x5e0 [ 91.547573][ T5102] ? __pfx_bch2_parse_one_mount_opt+0x10/0x10 [ 91.549767][ T5102] bch2_fs_parse_param+0x137/0x180 [ 91.551661][ T5102] vfs_parse_fs_param+0x1a5/0x420 [ 91.553527][ T5102] generic_parse_monolithic+0x2c8/0x400 [ 91.555564][ T5102] ? __pfx_generic_parse_monolithic+0x10/0x10 [ 91.557798][ T5102] do_new_mount+0x28f/0xb40 [ 91.559480][ T5102] ? __pfx_do_new_mount+0x10/0x10 [ 91.561353][ T5102] __se_sys_mount+0x2d6/0x3c0 [ 91.563153][ T5102] ? __pfx___se_sys_mount+0x10/0x10 [ 91.565104][ T5102] ? do_syscall_64+0x100/0x230 [ 91.566944][ T5102] ? __x64_sys_mount+0x20/0xc0 [ 91.568763][ T5102] do_syscall_64+0xf3/0x230 [ 91.570488][ T5102] ? clear_bhb_loop+0x35/0x90 [ 91.572270][ T5102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.574528][ T5102] RIP: 0033:0x7f9b1b2ffdea [ 91.576207][ T5102] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 91.583285][ T5102] RSP: 002b:00007ffef7660ac8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 91.586279][ T5102] RAX: ffffffffffffffda RBX: 00007ffef7660ae0 RCX: 00007f9b1b2ffdea [ 91.589255][ T5102] RDX: 0000000020000040 RSI: 000000002000f680 RDI: 00007ffef7660ae0 [ 91.592151][ T5102] RBP: 0000000000000004 R08: 00007ffef7660b20 R09: 000000000000f62d [ 91.595090][ T5102] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000 [ 91.597876][ T5102] R13: 00007ffef7660b20 R14: 0000000000000003 R15: 0000000001000000 [ 91.600669][ T5102] [ 91.601823][ T5102] Modules linked in: [ 91.603475][ T5102] ---[ end trace 0000000000000000 ]--- [ 91.706186][ T9] cfg80211: failed to load regulatory.db [ 91.785477][ T5102] RIP: 0010:__bch2_strtoh+0xb59/0xeb0 [ 91.787592][ T5102] Code: ff 0f 88 8f 00 00 00 4c 89 74 24 08 44 89 f8 48 01 c5 48 89 2c 24 e8 96 52 49 fd 4d 89 e6 44 89 e1 48 c7 c0 ff ff ff ff 31 d2 <48> f7 f1 48 89 c5 48 8b 5c 24 18 48 89 df 48 89 c6 e8 d1 54 49 fd [ 91.804822][ T5102] RSP: 0018:ffffc90002dff8e8 EFLAGS: 00010246 [ 91.807334][ T5102] RAX: ffffffffffffffff RBX: 0000000000000000 RCX: 0000000000000000 [ 91.810319][ T5102] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 91.813262][ T5102] RBP: ffff8880382487a2 R08: ffffffff844a8c4d R09: 0000000000000000 [ 91.829210][ T5102] R10: 0000000000000009 R11: ffff88801fdc8000 R12: 1000000000000000 [ 91.832068][ T5102] R13: ffff8880382487a0 R14: 1000000000000000 R15: 0000000000000001 [ 91.840554][ T5102] FS: 00005555730ab380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 91.843792][ T5102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.850738][ T5102] CR2: 000055b9811eb7f8 CR3: 000000004001a000 CR4: 0000000000350ef0 [ 91.853722][ T5102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.865329][ T5102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.870990][ T5102] Kernel panic - not syncing: Fatal exception [ 91.873721][ T5102] Kernel Offset: disabled [ 91.875471][ T5102] Rebooting in 86400 seconds.. VM DIAGNOSIS: 17:05:09 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000020 RBX=ffffffff9a6e1f00 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002dfef30 R8 =ffffffff8544209b R9 =1ffff11003d46046 R10=dffffc0000000000 R11=ffffffff85442050 R12=dffffc0000000000 R13=ffffffff9a3defd5 R14=0000000000000020 R15=00000000000003f8 RIP=ffffffff854420ce RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 00005555730ab380 ffffffff 00c00000 GS =0000 ffff88801fe00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9b13dff000 CR3=000000004001a000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000000380000 Opmask01=0000000000000000 Opmask02=00000000000000ff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffef7660250 00007ffef7660230 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffef7660390 00007ffef7660210 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f9b1b3729c4 00007f9b1b386240 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffef7660250 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffef7660390 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffef7660390 00007ffef7660210 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffef7660250 00007ffef7660230 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 7366656863616362 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 73657479625f6576 72657365725f6367 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0045303d73657479 625f657672657365 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000