Warning: Permanently added '[localhost]:29265' (ED25519) to the list of known hosts. executing program syzkaller login: [ 88.701887][ T5110] loop0: detected capacity change from 0 to 32768 [ 88.726020][ T5110] bcachefs (/dev/loop0): error reading default superblock: checksum error, type crc32c_nonzero: got 151109cf should be 29d2fb78 [ 88.755825][ T5110] bcachefs (/dev/loop0): error reading superblock: checksum error, type crc32c_nonzero: got 151109cf should be 29d2fb78 [ 88.771990][ T5110] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 88.776800][ T5110] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 88.780849][ T5110] CPU: 0 UID: 0 PID: 5110 Comm: syz-executor585 Not tainted 6.11.0-syzkaller-02574-ga430d95c5efa #0 [ 88.784590][ T5110] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.788495][ T5110] RIP: 0010:__copy_super+0x59/0xe70 [ 88.790445][ T5110] 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 [ 88.797574][ T5110] RSP: 0018:ffffc90002e4f2f0 EFLAGS: 00010202 [ 88.800024][ T5110] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff88801e1b2440 [ 88.803059][ T5110] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888041e007d8 [ 88.805947][ T5110] RBP: 0000000000000000 R08: ffffffff84457905 R09: 00000000ffffffff [ 88.808816][ T5110] R10: dffffc0000000000 R11: fffffbfff2845f24 R12: 0000000000000000 [ 88.811732][ T5110] R13: ffff888041e00000 R14: ffff888041e007d8 R15: ffff88803bb36800 [ 88.814634][ T5110] FS: 000055558607b380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 88.817767][ T5110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.820166][ T5110] CR2: 000055a7a03d1000 CR3: 000000003ca6a000 CR4: 0000000000350ef0 [ 88.822934][ T5110] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.825752][ T5110] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.828734][ T5110] Call Trace: [ 88.830047][ T5110] [ 88.831210][ T5110] ? __die_body+0x88/0xe0 [ 88.832919][ T5110] ? die_addr+0x108/0x140 [ 88.834491][ T5110] ? exc_general_protection+0x3dd/0x5d0 [ 88.836510][ T5110] ? asm_exc_general_protection+0x26/0x30 [ 88.838438][ T5110] ? bch2_sb_to_fs+0x95/0x150 [ 88.840207][ T5110] ? __copy_super+0x59/0xe70 [ 88.841880][ T5110] bch2_sb_to_fs+0xab/0x150 [ 88.843492][ T5110] bch2_fs_alloc+0xd5c/0x20b0 [ 88.845333][ T5110] ? __pfx_bch2_dev_in_fs+0x10/0x10 [ 88.847282][ T5110] ? __pfx_bch2_fs_alloc+0x10/0x10 [ 88.849225][ T5110] ? __bch2_darray_resize+0x174/0x200 [ 88.851257][ T5110] ? rcu_is_watching+0x15/0xb0 [ 88.852944][ T5110] ? bch2_fs_open+0x330/0xdf0 [ 88.854662][ T5110] bch2_fs_open+0x8cc/0xdf0 [ 88.856189][ T5110] ? __pfx_bch2_fs_open+0x10/0x10 [ 88.858055][ T5110] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.860389][ T5110] ? __pfx_bch2_test_super+0x10/0x10 [ 88.862329][ T5110] ? sget+0x2b8/0x620 [ 88.863825][ T5110] ? __pfx_bch2_noset_super+0x10/0x10 [ 88.865897][ T5110] bch2_fs_get_tree+0x731/0x1700 [ 88.867728][ T5110] ? __pfx_bch2_parse_one_mount_opt+0x10/0x10 [ 88.870025][ T5110] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 88.872050][ T5110] ? generic_parse_monolithic+0x387/0x400 [ 88.874004][ T5110] ? apparmor_capable+0x13b/0x1b0 [ 88.875834][ T5110] vfs_get_tree+0x90/0x2b0 [ 88.877411][ T5110] do_new_mount+0x2be/0xb40 [ 88.879133][ T5110] ? __pfx_do_new_mount+0x10/0x10 [ 88.880972][ T5110] __se_sys_mount+0x2d6/0x3c0 [ 88.882631][ T5110] ? __pfx___se_sys_mount+0x10/0x10 [ 88.884581][ T5110] ? do_syscall_64+0x100/0x230 [ 88.886316][ T5110] ? __x64_sys_mount+0x20/0xc0 [ 88.888131][ T5110] do_syscall_64+0xf3/0x230 [ 88.889787][ T5110] ? clear_bhb_loop+0x35/0x90 [ 88.891464][ T5110] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.893713][ T5110] RIP: 0033:0x7f3503c0e06a [ 88.895422][ T5110] 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 [ 88.902780][ T5110] RSP: 002b:00007fff498bc218 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 88.906017][ T5110] RAX: ffffffffffffffda RBX: 00007fff498bc230 RCX: 00007f3503c0e06a [ 88.909215][ T5110] RDX: 0000000020000240 RSI: 0000000020005dc0 RDI: 00007fff498bc230 [ 88.912164][ T5110] RBP: 0000000000000004 R08: 00007fff498bc270 R09: 0000000000005da0 [ 88.915053][ T5110] R10: 0000000001000000 R11: 0000000000000282 R12: 0000000001000000 [ 88.918043][ T5110] R13: 00007fff498bc270 R14: 0000000000000003 R15: 0000000001000000 [ 88.921635][ T5110] [ 88.922955][ T5110] Modules linked in: [ 89.089707][ T5110] ---[ end trace 0000000000000000 ]--- [ 89.091897][ T5110] RIP: 0010:__copy_super+0x59/0xe70 [ 89.093862][ T5110] 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 [ 89.110561][ T5110] RSP: 0018:ffffc90002e4f2f0 EFLAGS: 00010202 [ 89.113013][ T5110] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff88801e1b2440 [ 89.115880][ T5110] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888041e007d8 [ 89.118817][ T5110] RBP: 0000000000000000 R08: ffffffff84457905 R09: 00000000ffffffff [ 89.129515][ T5110] R10: dffffc0000000000 R11: fffffbfff2845f24 R12: 0000000000000000 [ 89.132307][ T5110] R13: ffff888041e00000 R14: ffff888041e007d8 R15: ffff88803bb36800 [ 89.140468][ T5110] FS: 000055558607b380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 89.143536][ T5110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.156679][ T5110] CR2: 000055e6da1a37b8 CR3: 000000003ca6a000 CR4: 0000000000350ef0 [ 89.159638][ T5110] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.162414][ T5110] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.165107][ T5110] Kernel panic - not syncing: Fatal exception [ 89.167446][ T5110] Kernel Offset: disabled [ 89.169010][ T5110] Rebooting in 86400 seconds.. VM DIAGNOSIS: 11:08:45 Registers: info registers vcpu 0 CPU#0 RAX=000000000000005b RBX=ffffffff9a6c8e20 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002e4e9d0 R8 =ffffffff854240fb R9 =1ffff11006673046 R10=dffffc0000000000 R11=ffffffff854240b0 R12=dffffc0000000000 R13=000000000000005b R14=000000000000005b 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 000055558607b380 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=000055a7a03d1000 CR3=000000003ca6a000 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=0000000000440401 Opmask01=0000000000000001 Opmask02=00000000fff7ffff 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 00007fff498bc3b0 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f3503c91620 00007f3503c855d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f3503c77044 00007f3503c8a240 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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 65723d73726f7272 6500747865003036 36396f7369007265 6c6c616b7a797300 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40571856574a5757 4000515d40001513 131c4a564c005740 4949444e5f5c5600 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