Warning: Permanently added '10.128.1.28' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.915478][ T3073] loop0: detected capacity change from 0 to 64 [ 25.916475][ T3072] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 25.925576][ T3073] hfs: new node 0 already hashed? [ 25.927609][ T3073] ------------[ cut here ]------------ [ 25.929074][ T3073] WARNING: CPU: 1 PID: 3073 at fs/hfs/bnode.c:421 hfs_bnode_create+0x290/0x2d8 [ 25.931388][ T3073] Modules linked in: [ 25.932369][ T3073] CPU: 1 PID: 3073 Comm: syz-executor276 Not tainted 6.1.0-rc6-syzkaller-32662-g6d464646530f #0 [ 25.935194][ T3073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 25.937929][ T3073] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 25.939952][ T3073] pc : hfs_bnode_create+0x290/0x2d8 [ 25.941277][ T3073] lr : hfs_bnode_create+0x290/0x2d8 [ 25.942627][ T3073] sp : ffff80000fb9b680 [ 25.943734][ T3073] x29: ffff80000fb9b680 x28: ffff0000cb89cd88 x27: 0000000040000000 [ 25.945821][ T3073] x26: 0000000000000000 x25: 0000000000000000 x24: 000000000000008c [ 25.947955][ T3073] x23: 0000000000000000 x22: ffff0000c94c60e0 x21: 0000000000000000 [ 25.950060][ T3073] x20: ffff0000c94c6000 x19: ffff0000cb89cd00 x18: 0000000000000141 [ 25.952132][ T3073] x17: 0000000000000000 x16: ffff80000dbe6158 x15: ffff0000c6418000 [ 25.954215][ T3073] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6418000 [ 25.956292][ T3073] x11: ff808000081c4d40 x10: 0000000000000000 x9 : 4fdf9649c4845200 [ 25.958375][ T3073] x8 : 4fdf9649c4845200 x7 : ffff80000816678c x6 : 0000000000000000 [ 25.960500][ T3073] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 25.962689][ T3073] x2 : ffff0001fefddcc8 x1 : 0000000100000000 x0 : 000000000000001f [ 25.964897][ T3073] Call trace: [ 25.965724][ T3073] hfs_bnode_create+0x290/0x2d8 [ 25.967032][ T3073] hfs_bmap_alloc+0x408/0x470 [ 25.968204][ T3073] hfs_btree_inc_height+0x88/0x2a0 [ 25.969496][ T3073] hfs_brec_insert+0x320/0x3f0 [ 25.970800][ T3073] __hfs_ext_write_extent+0x10c/0x138 [ 25.972189][ T3073] __hfs_ext_cache_extent+0x58/0x1f0 [ 25.973595][ T3073] hfs_extend_file+0x14c/0x740 [ 25.974825][ T3073] hfs_get_block+0x1c8/0x4c4 [ 25.976011][ T3073] __block_write_begin_int+0x23c/0x9d4 [ 25.977394][ T3073] block_write_begin+0x74/0x14c [ 25.978618][ T3073] cont_write_begin+0xf4/0x11c [ 25.979852][ T3073] hfs_write_begin+0x64/0xac [ 25.981083][ T3073] generic_perform_write+0xf0/0x2cc [ 25.982403][ T3073] __generic_file_write_iter+0xd8/0x21c [ 25.983908][ T3073] generic_file_write_iter+0x6c/0x168 [ 25.985284][ T3073] vfs_write+0x2dc/0x46c [ 25.986381][ T3073] ksys_write+0xb4/0x160 [ 25.987520][ T3073] __arm64_sys_write+0x24/0x34 [ 25.988718][ T3073] el0_svc_common+0x138/0x220 [ 25.989927][ T3073] do_el0_svc+0x48/0x164 [ 25.991039][ T3073] el0_svc+0x58/0x150 [ 25.992072][ T3073] el0t_64_sync_handler+0x84/0xf0 [ 25.993349][ T3073] el0t_64_sync+0x190/0x194 [ 25.994563][ T3073] irq event stamp: 2052 [ 25.995639][ T3073] hardirqs last enabled at (2051): [] finish_lock_switch+0x94/0xe8 [ 25.998267][ T3073] hardirqs last disabled at (2052): [] el1_dbg+0x24/0x80 [ 26.000487][ T3073] softirqs last enabled at (2044): [] _stext+0x2e4/0x37c [ 26.002755][ T3073] softirqs last disabled at (2027): [] ____do_softirq+0x14/0x20 [ 26.005201][ T3073] ---[ end trace 0000000000000000 ]--- [ 26.006933][ T3073] ------------[ cut here ]------------ [ 26.008234][ T3073] kernel BUG at fs/hfs/bnode.c:466! [ 26.009519][ T3073] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 26.011307][ T3073] Modules linked in: [ 26.012312][ T3073] CPU: 1 PID: 3073 Comm: syz-executor276 Tainted: G W 6.1.0-rc6-syzkaller-32662-g6d464646530f #0 [ 26.015525][ T3073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.018132][ T3073] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 26.020123][ T3073] pc : hfs_bnode_put+0x190/0x19c [ 26.021440][ T3073] lr : hfs_bnode_put+0x190/0x19c [ 26.022724][ T3073] sp : ffff80000fb9b710 [ 26.023786][ T3073] x29: ffff80000fb9b710 x28: 000000000000000e x27: ffff0000c94c6000 [ 26.025861][ T3073] x26: 0000000000000014 x25: 00000000ffffffff x24: ffff0000cb89cd00 [ 26.027910][ T3073] x23: ffff0000c94c6000 x22: 0000000000000000 x21: ffff0000cb89cd80 [ 26.029959][ T3073] x20: 0000000000000000 x19: ffff0000cb89cd00 x18: 0000000000000141 [ 26.031980][ T3073] x17: 0000000000000000 x16: ffff80000dbe6158 x15: ffff0000c6418000 [ 26.034047][ T3073] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6418000 [ 26.036020][ T3073] x11: ff808000088fb7a0 x10: 0000000000000000 x9 : ffff8000088fb7a0 [ 26.038149][ T3073] x8 : ffff0000c6418000 x7 : ffff800008578874 x6 : 0000000000000000 [ 26.040201][ T3073] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 [ 26.042247][ T3073] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 26.044323][ T3073] Call trace: [ 26.045129][ T3073] hfs_bnode_put+0x190/0x19c [ 26.046330][ T3073] hfs_btree_inc_height+0x260/0x2a0 [ 26.047606][ T3073] hfs_brec_insert+0x320/0x3f0 [ 26.048912][ T3073] __hfs_ext_write_extent+0x10c/0x138 [ 26.050275][ T3073] __hfs_ext_cache_extent+0x58/0x1f0 [ 26.051644][ T3073] hfs_extend_file+0x14c/0x740 [ 26.052885][ T3073] hfs_get_block+0x1c8/0x4c4 [ 26.054103][ T3073] __block_write_begin_int+0x23c/0x9d4 [ 26.055531][ T3073] block_write_begin+0x74/0x14c [ 26.056784][ T3073] cont_write_begin+0xf4/0x11c [ 26.058072][ T3073] hfs_write_begin+0x64/0xac [ 26.059209][ T3073] generic_perform_write+0xf0/0x2cc [ 26.060533][ T3073] __generic_file_write_iter+0xd8/0x21c [ 26.061957][ T3073] generic_file_write_iter+0x6c/0x168 [ 26.063362][ T3073] vfs_write+0x2dc/0x46c [ 26.064437][ T3073] ksys_write+0xb4/0x160 [ 26.065535][ T3073] __arm64_sys_write+0x24/0x34 [ 26.066817][ T3073] el0_svc_common+0x138/0x220 [ 26.068045][ T3073] do_el0_svc+0x48/0x164 [ 26.069121][ T3073] el0_svc+0x58/0x150 [ 26.070134][ T3073] el0t_64_sync_handler+0x84/0xf0 [ 26.071454][ T3073] el0t_64_sync+0x190/0x194 [ 26.072596][ T3073] Code: a8c47bfd d50323bf d65f03c0 97e6a86f (d4210000) [ 26.075158][ T3073] ---[ end trace 0000000000000000 ]--- [ 26.323857][ T3073] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 26.325782][ T3073] SMP: stopping secondary CPUs [ 26.327023][ T3073] Kernel Offset: disabled [ 26.328115][ T3073] CPU features: 0x00000,040e0108,4c017203 [ 26.329593][ T3073] Memory Limit: none [ 26.562433][ T3073] Rebooting in 86400 seconds..