Warning: Permanently added '[localhost]:35079' (ED25519) to the list of known hosts. executing program syzkaller login: [ 95.095189][ T5098] loop0: detected capacity change from 0 to 32768 [ 95.127611][ T5098] bcachefs (/dev/loop0): error reading default superblock: checksum error, type crc32c_nonzero: got 151109cf should be 29d2fb78 [ 95.144474][ T5098] bcachefs (/dev/loop0): error reading superblock: checksum error, type crc32c_nonzero: got 151109cf should be 29d2fb78 [ 95.155417][ T5098] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 95.159874][ T5098] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 95.163780][ T5098] CPU: 0 UID: 0 PID: 5098 Comm: syz-executor282 Not tainted 6.11.0-syzkaller-02574-ga430d95c5efa #0 [ 95.167633][ T5098] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 95.171515][ T5098] RIP: 0010:__copy_super+0x59/0xe70 [ 95.173536][ T5098] Code: 44 24 10 80 3c 18 00 74 12 4c 89 f7 e8 90 71 b5 fd 48 ba 00 00 00 00 00 fc ff df 4d 8b 3e 49 8d 5c 24 10 48 89 d8 48 c1 e8 03 <0f> b6 04 10 84 c0 0f 85 2e 0c 00 00 0f b7 2b 49 8d 5f 10 48 89 d8 [ 95.180903][ T5098] RSP: 0018:ffffc90002f8f2f0 EFLAGS: 00010202 [ 95.183239][ T5098] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff888000ebc880 [ 95.186130][ T5098] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888044d807d8 [ 95.188926][ T5098] RBP: 0000000000000000 R08: ffffffff84457905 R09: 00000000ffffffff [ 95.191552][ T5098] R10: dffffc0000000000 R11: fffffbfff2845f24 R12: 0000000000000000 [ 95.194346][ T5098] R13: ffff888044d80000 R14: ffff888044d807d8 R15: ffff88803fb32800 [ 95.197262][ T5098] FS: 00005555893e4380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 95.200802][ T5098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.203905][ T5098] CR2: 0000555cf75a4000 CR3: 0000000011efe000 CR4: 0000000000350ef0 [ 95.207031][ T5098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.209894][ T5098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.212763][ T5098] Call Trace: [ 95.214043][ T5098] [ 95.215116][ T5098] ? __die_body+0x88/0xe0 [ 95.216768][ T5098] ? die_addr+0x108/0x140 [ 95.218425][ T5098] ? exc_general_protection+0x3dd/0x5d0 [ 95.220594][ T5098] ? asm_exc_general_protection+0x26/0x30 [ 95.222732][ T5098] ? bch2_sb_to_fs+0x95/0x150 [ 95.224456][ T5098] ? __copy_super+0x59/0xe70 [ 95.226177][ T5098] bch2_sb_to_fs+0xab/0x150 [ 95.227791][ T5098] bch2_fs_alloc+0xd5c/0x20b0 [ 95.229452][ T5098] ? __pfx_bch2_dev_in_fs+0x10/0x10 [ 95.231343][ T5098] ? __pfx_bch2_fs_alloc+0x10/0x10 [ 95.233146][ T5098] ? __bch2_darray_resize+0x174/0x200 [ 95.234884][ T5098] ? rcu_is_watching+0x15/0xb0 [ 95.236549][ T5098] ? bch2_fs_open+0x330/0xdf0 [ 95.238296][ T5098] bch2_fs_open+0x8cc/0xdf0 [ 95.240144][ T5098] ? __pfx_bch2_fs_open+0x10/0x10 [ 95.242101][ T5098] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 95.244483][ T5098] ? __pfx_bch2_test_super+0x10/0x10 [ 95.246649][ T5098] ? sget+0x2b8/0x620 [ 95.248277][ T5098] ? __pfx_bch2_noset_super+0x10/0x10 [ 95.250185][ T5098] bch2_fs_get_tree+0x731/0x1700 [ 95.252161][ T5098] ? __pfx_bch2_parse_one_mount_opt+0x10/0x10 [ 95.254602][ T5098] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 95.256680][ T5098] ? generic_parse_monolithic+0x387/0x400 [ 95.258941][ T5098] ? apparmor_capable+0x13b/0x1b0 [ 95.260939][ T5098] vfs_get_tree+0x90/0x2b0 [ 95.262689][ T5098] do_new_mount+0x2be/0xb40 [ 95.264465][ T5098] ? __pfx_do_new_mount+0x10/0x10 [ 95.266460][ T5098] __se_sys_mount+0x2d6/0x3c0 [ 95.268225][ T5098] ? __pfx___se_sys_mount+0x10/0x10 [ 95.270215][ T5098] ? do_syscall_64+0x100/0x230 [ 95.272081][ T5098] ? __x64_sys_mount+0x20/0xc0 [ 95.273955][ T5098] do_syscall_64+0xf3/0x230 [ 95.275743][ T5098] ? clear_bhb_loop+0x35/0x90 [ 95.277597][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.279985][ T5098] RIP: 0033:0x7f2b30c1706a [ 95.281748][ T5098] 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 [ 95.289084][ T5098] RSP: 002b:00007ffe211af6b8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 95.292243][ T5098] RAX: ffffffffffffffda RBX: 00007ffe211af6d0 RCX: 00007f2b30c1706a [ 95.295170][ T5098] RDX: 0000000020000240 RSI: 0000000020005dc0 RDI: 00007ffe211af6d0 [ 95.298187][ T5098] RBP: 0000000000000004 R08: 00007ffe211af710 R09: 0000000000005da0 [ 95.301195][ T5098] R10: 0000000001000000 R11: 0000000000000282 R12: 0000000001000000 [ 95.304248][ T5098] R13: 00007ffe211af710 R14: 0000000000000003 R15: 0000000001000000 [ 95.307350][ T5098] [ 95.308574][ T5098] Modules linked in: [ 95.474513][ T5098] ---[ end trace 0000000000000000 ]--- [ 95.476757][ T5098] RIP: 0010:__copy_super+0x59/0xe70 [ 95.478811][ T5098] Code: 44 24 10 80 3c 18 00 74 12 4c 89 f7 e8 90 71 b5 fd 48 ba 00 00 00 00 00 fc ff df 4d 8b 3e 49 8d 5c 24 10 48 89 d8 48 c1 e8 03 <0f> b6 04 10 84 c0 0f 85 2e 0c 00 00 0f b7 2b 49 8d 5f 10 48 89 d8 [ 95.494162][ T5098] RSP: 0018:ffffc90002f8f2f0 EFLAGS: 00010202 [ 95.496234][ T5098] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff888000ebc880 [ 95.504468][ T5098] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888044d807d8 [ 95.507419][ T5098] RBP: 0000000000000000 R08: ffffffff84457905 R09: 00000000ffffffff [ 95.514841][ T5098] R10: dffffc0000000000 R11: fffffbfff2845f24 R12: 0000000000000000 [ 95.518210][ T5098] R13: ffff888044d80000 R14: ffff888044d807d8 R15: ffff88803fb32800 [ 95.531843][ T5098] FS: 00005555893e4380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 95.535134][ T5098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.537278][ T5098] CR2: 0000555cf75a4000 CR3: 0000000011efe000 CR4: 0000000000350ef0 [ 95.540127][ T5098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.553584][ T5098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.564088][ T5098] Kernel panic - not syncing: Fatal exception [ 95.566687][ T5098] Kernel Offset: disabled [ 95.568433][ T5098] Rebooting in 86400 seconds.. VM DIAGNOSIS: 12:04:33 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000030 RBX=ffffffff9a6c8e20 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002f8e9d0 R8 =ffffffff854240fb R9 =1ffff11003dd1046 R10=dffffc0000000000 R11=ffffffff854240b0 R12=dffffc0000000000 R13=0000000000000030 R14=0000000000000030 R15=00000000000003f8 RIP=ffffffff8542412e 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 00005555893e4380 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=0000555cf75a4000 CR3=0000000011efe000 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=00000000fefeffd0 Opmask01=0000000000004211 Opmask02=000000000000ffdf Opmask03=0000000000000000 Opmask04=00000000ffffffff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffc74bb0820 0000003000000010 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2a2a2a2a2a2a2a2a 2a2a2a2a2a2a2a2a ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff0000ff000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff0000ff000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 656c696620732520 6465746165726300 0a73253a47000a73 253d73253a45000a ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40494c4305560005 4140514440574600 0a56001f47000a56 001856001f45000a ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000031 0000000000000000 30706f6f6c2f6b63 6f6c622f6c617574 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f03bb9f1b80 0000555cf74630b0 0000000000000091 0000000000007374 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 69305f474f5b647c 69303a2433273f39 7b27697a787c7a30 23333a3a38263342 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3a3a264c3c3a3a26 323c3a3a264e393a 3a2648393a3a264b 393a3a263e393a3a ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 692054524f50202c 2064696c61696d20 0070253a20252054 524f504d49005452 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 692020520050202c 2025204f504d4900 0061253a20252000 2527204d49005452 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