Warning: Permanently added '[localhost]:5853' (ED25519) to the list of known hosts. executing program [ 63.637337][ T5312] loop0: detected capacity change from 0 to 64 [ 63.691070][ T5312] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 63.695875][ T5312] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 63.701017][ T5312] CPU: 0 UID: 0 PID: 5312 Comm: syz-executor160 Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0 [ 63.704889][ T5312] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 63.708946][ T5312] RIP: 0010:bfs_get_block+0xa75/0xb70 [ 63.711084][ T5312] Code: 00 41 8b 0f b8 77 7f ff ff 21 c1 81 c9 08 80 00 00 4c 89 ef 4c 89 f6 e8 d9 12 a0 ff 49 89 c5 48 8d 68 28 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 3c 6f 7b ff 4c 8b 75 00 48 8d 7b [ 63.718169][ T5312] RSP: 0018:ffffc9000cfd7870 EFLAGS: 00010206 [ 63.720468][ T5312] RAX: 0000000000000005 RBX: ffff8880479293a0 RCX: ffff88801f8c8000 [ 63.723363][ T5312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.726068][ T5312] RBP: 0000000000000028 R08: ffffffff82236dd7 R09: 1ffffd400022314e [ 63.728739][ T5312] R10: dffffc0000000000 R11: fffff9400022314f R12: dffffc0000000000 [ 63.731374][ T5312] R13: 0000000000000000 R14: 0000000000000054 R15: ffff8880008cce68 [ 63.734344][ T5312] FS: 0000555570718380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 63.737285][ T5312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.739708][ T5312] CR2: 0000000000000000 CR3: 0000000043b1c000 CR4: 0000000000352ef0 [ 63.742651][ T5312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.745443][ T5312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.747937][ T5312] Call Trace: [ 63.749131][ T5312] [ 63.750272][ T5312] ? __die_body+0x5f/0xb0 [ 63.751941][ T5312] ? die_addr+0xb0/0xe0 [ 63.753530][ T5312] ? exc_general_protection+0x3dd/0x5d0 [ 63.755546][ T5312] ? asm_exc_general_protection+0x26/0x30 [ 63.757647][ T5312] ? bdev_getblk+0x3e7/0x550 [ 63.759231][ T5312] ? bfs_get_block+0xa75/0xb70 [ 63.760932][ T5312] __block_write_begin_int+0x50c/0x1a70 [ 63.762965][ T5312] ? __pfx_bfs_get_block+0x10/0x10 [ 63.764771][ T5312] ? __pfx___block_write_begin_int+0x10/0x10 [ 63.766889][ T5312] ? __filemap_get_folio+0x90b/0xbd0 [ 63.768626][ T5312] ? __pfx_bfs_get_block+0x10/0x10 [ 63.770558][ T5312] block_write_begin+0x8f/0x120 [ 63.772389][ T5312] bfs_write_begin+0x35/0xd0 [ 63.774180][ T5312] generic_perform_write+0x344/0x6d0 [ 63.775997][ T5312] ? __pfx_generic_perform_write+0x10/0x10 [ 63.778100][ T5312] ? __generic_file_write_iter+0x102/0x230 [ 63.780273][ T5312] generic_file_write_iter+0xae/0x310 [ 63.782292][ T5312] vfs_write+0xaeb/0xd30 [ 63.783845][ T5312] ? __pfx_generic_file_write_iter+0x10/0x10 [ 63.786246][ T5312] ? __pfx_vfs_write+0x10/0x10 [ 63.787989][ T5312] ? do_sys_openat2+0x17a/0x1d0 [ 63.789833][ T5312] ? __pfx_do_sys_openat2+0x10/0x10 [ 63.791750][ T5312] ? rcu_is_watching+0x15/0xb0 [ 63.793715][ T5312] ? fdget_pos+0x265/0x320 [ 63.795327][ T5312] ksys_write+0x183/0x2b0 [ 63.797033][ T5312] ? __pfx_ksys_write+0x10/0x10 [ 63.798863][ T5312] ? do_syscall_64+0x100/0x230 [ 63.800576][ T5312] ? do_syscall_64+0xb6/0x230 [ 63.802206][ T5312] do_syscall_64+0xf3/0x230 [ 63.803661][ T5312] ? clear_bhb_loop+0x35/0x90 [ 63.805248][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.807462][ T5312] RIP: 0033:0x7f1355821db9 [ 63.809131][ T5312] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 63.815294][ T5312] RSP: 002b:00007ffe17b1ddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.817948][ T5312] RAX: ffffffffffffffda RBX: 00007f135586b066 RCX: 00007f1355821db9 [ 63.820626][ T5312] RDX: 000000000000fecc RSI: 0000000020000100 RDI: 0000000000000008 [ 63.823726][ T5312] RBP: 00007f1355895610 R08: 00007ffe17b1df98 R09: 00007ffe17b1df98 [ 63.826602][ T5312] R10: 00007ffe17b1df98 R11: 0000000000000246 R12: 0000000000000001 [ 63.829483][ T5312] R13: 00007ffe17b1df88 R14: 0000000000000001 R15: 0000000000000001 [ 63.832427][ T5312] [ 63.833490][ T5312] Modules linked in: [ 63.835016][ T5312] ---[ end trace 0000000000000000 ]--- [ 63.841674][ T5312] RIP: 0010:bfs_get_block+0xa75/0xb70 [ 63.845012][ T5312] Code: 00 41 8b 0f b8 77 7f ff ff 21 c1 81 c9 08 80 00 00 4c 89 ef 4c 89 f6 e8 d9 12 a0 ff 49 89 c5 48 8d 68 28 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 3c 6f 7b ff 4c 8b 75 00 48 8d 7b [ 63.851614][ T5312] RSP: 0018:ffffc9000cfd7870 EFLAGS: 00010206 [ 63.854513][ T5312] RAX: 0000000000000005 RBX: ffff8880479293a0 RCX: ffff88801f8c8000 [ 63.858400][ T5312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.861365][ T5312] RBP: 0000000000000028 R08: ffffffff82236dd7 R09: 1ffffd400022314e [ 63.865401][ T5312] R10: dffffc0000000000 R11: fffff9400022314f R12: dffffc0000000000 [ 63.868773][ T5312] R13: 0000000000000000 R14: 0000000000000054 R15: ffff8880008cce68 [ 63.871695][ T5312] FS: 0000555570718380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 63.875455][ T5312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.877770][ T5312] CR2: 0000000000000000 CR3: 0000000043b1c000 CR4: 0000000000352ef0 [ 63.880817][ T5312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.884674][ T5312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.887622][ T5312] Kernel panic - not syncing: Fatal exception [ 63.890044][ T5312] Kernel Offset: disabled [ 63.891628][ T5312] Rebooting in 86400 seconds.. VM DIAGNOSIS: 17:57:41 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000030 RBX=ffffffff9a71cee0 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000cfd6f90 R8 =ffffffff854b494b R9 =1ffff11003d9f046 R10=dffffc0000000000 R11=ffffffff854b4900 R12=dffffc0000000000 R13=ffffffff9a417f20 R14=0000000000000030 R15=00000000000003f8 RIP=ffffffff854b497e 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 0000555570718380 ffffffff 00c00000 GS =0000 ffff88801fc00000 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=0000000000000000 CR3=0000000043b1c000 CR4=00352ef0 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=0000000000000000 Opmask01=0000000000000006 Opmask02=0000000000000007 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 00007ffe17b1d3b0 00007ffe17b1d390 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe17b1d4f0 00007ffe17b1d370 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f13558872a4 00007f135589a2a0 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe17b1d3b0 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe17b1d4f0 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe17b1d4f0 00007ffe17b1d370 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe17b1d3b0 00007ffe17b1d390 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 0000000000736662 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 a51f49e86b6f314f d4d174c9be30867e ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 4997a7059160e12a 2565ceaee1fdbafe ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 49cc4b6a107b898f 6725cde55def34f1 90a13dc3e5348971 12bd9de1917d17dd 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