Warning: Permanently added '[localhost]:61122' (ED25519) to the list of known hosts. syzkaller login: [ 79.450709][ T5311] loop0: detected capacity change from 0 to 64 executing program [ 79.548834][ T12] ------------[ cut here ]------------ [ 79.551202][ T12] kernel BUG at fs/hfs/inode.c:444! [ 79.553425][ T12] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 79.557119][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted 6.15.0-syzkaller-07774-g90b83efa6701 #0 PREEMPT(full) [ 79.561898][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 79.566344][ T12] Workqueue: writeback wb_workfn (flush-7:0) [ 79.569708][ T12] RIP: 0010:hfs_write_inode+0x7c8/0x7d0 [ 79.571909][ T12] Code: c1 80 32 ab 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 80 32 ab 99 e8 43 25 89 ff e9 6c fe ff ff e8 c9 07 26 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 79.579711][ T12] RSP: 0018:ffffc900001e7180 EFLAGS: 00010293 [ 79.582258][ T12] RAX: ffffffff8299f327 RBX: ffff8880436d1518 RCX: ffff88801c2fc880 [ 79.585479][ T12] RDX: 0000000000000000 RSI: ffffffff8e365280 RDI: 0000000000000000 [ 79.588567][ T12] RBP: ffffc900001e7310 R08: ffff88801c2fc880 R09: 0000000000000003 [ 79.591712][ T12] R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 [ 79.594856][ T12] R13: 1ffff9200003ce34 R14: ffff8880436d14d8 R15: 0000000000000000 [ 79.598121][ T12] FS: 0000000000000000(0000) GS:ffff88808d266000(0000) knlGS:0000000000000000 [ 79.601632][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.604039][ T12] CR2: 00007fa89407e000 CR3: 000000003e28e000 CR4: 0000000000352ef0 [ 79.607147][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.610228][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.613430][ T12] Call Trace: [ 79.614871][ T12] [ 79.616105][ T12] ? __pfx_hfs_write_inode+0x10/0x10 [ 79.618311][ T12] __writeback_single_inode+0x6f1/0xff0 [ 79.620600][ T12] writeback_sb_inodes+0x6b5/0x1000 [ 79.622683][ T12] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 79.625079][ T12] ? rcu_is_watching+0x15/0xb0 [ 79.627178][ T12] wb_writeback+0x43b/0xaf0 [ 79.629151][ T12] ? queue_io+0x3d1/0x590 [ 79.630971][ T12] ? __pfx_wb_writeback+0x10/0x10 [ 79.633149][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.635291][ T12] wb_workfn+0x409/0xef0 [ 79.637059][ T12] ? __pfx_wb_workfn+0x10/0x10 [ 79.638952][ T12] ? __lock_acquire+0xab9/0xd20 [ 79.640979][ T12] ? process_scheduled_works+0x9ef/0x17b0 [ 79.643450][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.645511][ T12] ? process_scheduled_works+0x9ef/0x17b0 [ 79.647889][ T12] ? process_scheduled_works+0x9ef/0x17b0 [ 79.650258][ T12] process_scheduled_works+0xae1/0x17b0 [ 79.652509][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 79.655297][ T12] worker_thread+0x8a0/0xda0 [ 79.657649][ T12] kthread+0x70e/0x8a0 [ 79.659325][ T12] ? __pfx_worker_thread+0x10/0x10 [ 79.661433][ T12] ? __pfx_kthread+0x10/0x10 [ 79.663351][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.665480][ T12] ? lockdep_hardirqs_on+0x9c/0x150 [ 79.667548][ T12] ? __pfx_kthread+0x10/0x10 [ 79.669579][ T12] ret_from_fork+0x3fc/0x770 [ 79.671469][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 79.673499][ T12] ? __pfx_kthread+0x10/0x10 [ 79.675395][ T12] ret_from_fork_asm+0x1a/0x30 [ 79.677308][ T12] [ 79.678615][ T12] Modules linked in: [ 79.680633][ T12] ---[ end trace 0000000000000000 ]--- [ 79.714631][ T12] RIP: 0010:hfs_write_inode+0x7c8/0x7d0 [ 79.717877][ T12] Code: c1 80 32 ab 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 80 32 ab 99 e8 43 25 89 ff e9 6c fe ff ff e8 c9 07 26 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 79.725371][ T12] RSP: 0018:ffffc900001e7180 EFLAGS: 00010293 [ 79.729520][ T12] RAX: ffffffff8299f327 RBX: ffff8880436d1518 RCX: ffff88801c2fc880 [ 79.732775][ T12] RDX: 0000000000000000 RSI: ffffffff8e365280 RDI: 0000000000000000 [ 79.736025][ T12] RBP: ffffc900001e7310 R08: ffff88801c2fc880 R09: 0000000000000003 [ 79.739785][ T12] R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 [ 79.743106][ T12] R13: 1ffff9200003ce34 R14: ffff8880436d14d8 R15: 0000000000000000 [ 79.746377][ T12] FS: 0000000000000000(0000) GS:ffff88808d266000(0000) knlGS:0000000000000000 [ 79.750433][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.753152][ T12] CR2: 00007fa89407e000 CR3: 00000000123c3000 CR4: 0000000000352ef0 [ 79.756271][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.759973][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.763245][ T12] Kernel panic - not syncing: Fatal exception [ 79.765956][ T12] Kernel Offset: disabled [ 79.767873][ T12] Rebooting in 86400 seconds.. VM DIAGNOSIS: 16:10:35 Registers: info registers vcpu 0 CPU#0 RAX=000000000000005d RBX=000000000000005d RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc900001e68d0 R8 =ffff8880325b8237 R9 =1ffff110064b7046 R10=dffffc0000000000 R11=ffffffff85458f50 R12=dffffc0000000000 R13=ffffffff99aaf936 R14=ffffffff99db4ce0 R15=0000000000000000 RIP=ffffffff85458fcc 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 0000000000000000 ffffffff 00c00000 GS =0000 ffff88808d266000 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=00007fa89407e000 CR3=000000003e28e000 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=00000000fcfeffd0 Opmask01=000000000000003f Opmask02=0000000000bff7ff Opmask03=0000000000000000 Opmask04=00000000ffffefff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 44455a494c414954 494e495f43455355 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 44455a494c414954 494e495f43455355 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000055dc2fd88440 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000055dc2fd87af0 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fa8939f1b20 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 00007fa893952c80 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 772f766564752f6e 75722f00646c6f2e 68637461772f7665 64752f6e75722f00 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 520a534041500a4b 50570a0041494a0b 4d465144520a5340 41500a4b50570a00 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000003978 000055d96dc2bb53 0000000000000021 0000000000007374 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 003a756b733a322e 392d3533712d6370 7276633a3174633a 554d45516e76633a ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 322e392d3533712d 63707276703a2939 3030322c39484349 2b35335128435064 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7261646e6174536e 703a554d45516e76 733a302e3072623a 343130322f31302f ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 343064623a312b32 316f70627e322d33 2e36312e312d6e61 696265642d332e36 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 313731302c453631 302c353631302c34 3631302c33343130 2c323431302c3134 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4f42490054544149 00240059535f4449 00655f61635f2400 4c24004c4544004d 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