[ 17.862132][ T3699] 8021q: adding VLAN 0 to HW filter on device bond0 [ 17.869201][ T3699] eql: remember to turn off Van-Jacobson compression on your slave devices [ 17.915490][ T415] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 17.925891][ T415] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.132' (ED25519) to the list of known hosts. executing program syzkaller login: [ 45.624069][ T4023] loop0: detected capacity change from 0 to 16 [ 45.775273][ T4023] erofs: (device loop0): mounted with root inode @ nid 36. [ 45.778505][ T4023] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.781708][ T4023] erofs: (device loop0): z_erofs_lz4_decompress: failed to decompress -29 in[58, 4038] out[1851] [ 45.787437][ T4023] erofs: (device loop0): z_erofs_readpage: failed to read, err [-117] [ 45.792028][ T4023] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.795609][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 42 @ nid 36 [ 45.799118][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 45.801577][ T4023] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.804612][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 40 @ nid 36 [ 45.807093][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 39 @ nid 36 [ 45.809503][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 45.812294][ T4023] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.815215][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 45.817626][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 45.819983][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 45.822387][ T4023] erofs: (device loop0): z_erofs_map_blocks_iter: unknown type 3 @ offset 106495 of nid 36 [ 45.825439][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 45.827863][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 45.830424][ T4023] erofs: (device loop0): z_erofs_extent_lookback: unknown type 3 @ lcn 15 of nid 36 [ 45.832850][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 45.835777][ T4023] erofs: (device loop0): z_erofs_map_blocks_iter: unknown type 3 @ offset 65535 of nid 36 [ 45.838527][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 45.841158][ T4023] attempt to access beyond end of device [ 45.841158][ T4023] loop0: rw=524288, want=848, limit=16 [ 45.844429][ T4023] attempt to access beyond end of device [ 45.844429][ T4023] loop0: rw=524288, want=13478624104, limit=16 [ 45.847634][ T4023] attempt to access beyond end of device [ 45.847634][ T4023] loop0: rw=524288, want=13478624080, limit=16 [ 45.850951][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 45.853591][ T4023] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.856112][ T4023] erofs: (device loop0): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 45.858579][ T4023] attempt to access beyond end of device [ 45.858579][ T4023] loop0: rw=524288, want=32, limit=16 [ 45.861514][ T4023] erofs: (device loop0): z_erofs_lz4_decompress: failed to decompress -29 in[58, 4038] out[3537] [ 45.866282][ T4023] ================================================================== [ 45.868474][ T4023] BUG: KASAN: vmalloc-out-of-bounds in hex_dump_to_buffer+0x5dc/0x984 [ 45.870624][ T4023] Read of size 1 at addr ffff80001bdff000 by task syz-executor148/4023 [ 45.872788][ T4023] [ 45.873393][ T4023] CPU: 0 PID: 4023 Comm: syz-executor148 Not tainted 5.15.178-syzkaller #0 [ 45.875705][ T4023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 45.878383][ T4023] Call trace: [ 45.879242][ T4023] dump_backtrace+0x0/0x530 [ 45.880479][ T4023] show_stack+0x2c/0x3c [ 45.881544][ T4023] dump_stack_lvl+0x108/0x170 [ 45.882800][ T4023] print_address_description+0x7c/0x3f0 [ 45.884261][ T4023] kasan_report+0x174/0x1e4 [ 45.885474][ T4023] __asan_report_load1_noabort+0x44/0x50 [ 45.887054][ T4023] hex_dump_to_buffer+0x5dc/0x984 [ 45.888431][ T4023] print_hex_dump+0x140/0x248 [ 45.889741][ T4023] z_erofs_lz4_decompress+0x7a0/0xf28 [ 45.891140][ T4023] z_erofs_decompress+0x720/0xeec [ 45.892517][ T4023] z_erofs_decompress_queue+0x1158/0x1bc0 [ 45.894093][ T4023] z_erofs_runqueue+0x11d0/0x1474 [ 45.895370][ T4023] z_erofs_readahead+0x864/0xc98 [ 45.896767][ T4023] read_pages+0x13c/0x420 [ 45.897937][ T4023] page_cache_ra_unbounded+0x534/0x654 [ 45.899487][ T4023] force_page_cache_ra+0x320/0x388 [ 45.900853][ T4023] generic_fadvise+0x490/0x750 [ 45.902147][ T4023] __arm64_sys_fadvise64_64+0x12c/0x174 [ 45.903600][ T4023] invoke_syscall+0x98/0x2b8 [ 45.904878][ T4023] el0_svc_common+0x138/0x258 [ 45.906165][ T4023] do_el0_svc+0x58/0x14c [ 45.907331][ T4023] el0_svc+0x7c/0x1f0 [ 45.908450][ T4023] el0t_64_sync_handler+0x84/0xe4 [ 45.909775][ T4023] el0t_64_sync+0x1a0/0x1a4 [ 45.910962][ T4023] [ 45.911554][ T4023] [ 45.912177][ T4023] Memory state around the buggy address: [ 45.913726][ T4023] ffff80001bdfef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 45.915812][ T4023] ffff80001bdfef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 45.918053][ T4023] >ffff80001bdff000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 45.920179][ T4023] ^ [ 45.921322][ T4023] ffff80001bdff080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 45.923613][ T4023] ffff80001bdff100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 45.925836][ T4023] ================================================================== [ 45.927982][ T4023] Disabling lock debugging due to kernel taint [ 45.929759][ T4023] Unable to handle kernel paging request at virtual address ffff80001bdff000 [ 45.932138][ T4023] Mem abort info: [ 45.933097][ T4023] ESR = 0x0000000096000007 [ 45.934357][ T4023] EC = 0x25: DABT (current EL), IL = 32 bits [ 45.935974][ T4023] SET = 0, FnV = 0 [ 45.936987][ T4023] EA = 0, S1PTW = 0 [ 45.938047][ T4023] FSC = 0x07: level 3 translation fault [ 45.939623][ T4023] Data abort info: [ 45.940624][ T4023] ISV = 0, ISS = 0x00000007 [ 45.941868][ T4023] CM = 0, WnR = 0 [ 45.942852][ T4023] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001ae196000 [ 45.944930][ T4023] [ffff80001bdff000] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=100000023fff8003, pte=0000000000000000 [ 45.948443][ T4023] Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP [ 45.950353][ T4023] Modules linked in: [ 45.951396][ T4023] CPU: 0 PID: 4023 Comm: syz-executor148 Tainted: G B 5.15.178-syzkaller #0 [ 45.953983][ T4023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 45.956687][ T4023] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.958811][ T4023] pc : hex_dump_to_buffer+0x4d4/0x984 [ 45.960283][ T4023] lr : hex_dump_to_buffer+0x5dc/0x984 [ 45.961739][ T4023] sp : ffff80001f216a00 [ 45.962837][ T4023] x29: ffff80001f216a40 x28: 000000000000000b x27: 0000000000000021 [ 45.964964][ T4023] x26: ffff80001f216b1f x25: ffff80001bdff000 x24: 0000000000000022 [ 45.967062][ T4023] x23: dfff800000000000 x22: 0000000000000083 x21: 0000000000000021 [ 45.969245][ T4023] x20: 0000000000000000 x19: 0000000000000023 x18: 0000000000000005 [ 45.971372][ T4023] x17: 0000000000000000 x16: ffff80000824ec08 x15: 00000000ffffffff [ 45.973520][ T4023] x14: ffff0000da3f9b40 x13: 0000000000000001 x12: ffff700002e3a964 [ 45.975659][ T4023] x11: 0000000000000003 x10: 0000000000000000 x9 : 0000000000000000 [ 45.977761][ T4023] x8 : ffff0000da3f9b40 x7 : 0000000000000000 x6 : 0000000000000001 [ 45.979918][ T4023] x5 : ffff80001f216098 x4 : 0000000000000000 x3 : ffff80000819c3f0 [ 45.982076][ T4023] x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000001 [ 45.984272][ T4023] Call trace: [ 45.985074][ T4023] hex_dump_to_buffer+0x4d4/0x984 [ 45.986391][ T4023] print_hex_dump+0x140/0x248 [ 45.987701][ T4023] z_erofs_lz4_decompress+0x7a0/0xf28 [ 45.989135][ T4023] z_erofs_decompress+0x720/0xeec [ 45.990542][ T4023] z_erofs_decompress_queue+0x1158/0x1bc0 [ 45.992076][ T4023] z_erofs_runqueue+0x11d0/0x1474 [ 45.993445][ T4023] z_erofs_readahead+0x864/0xc98 [ 45.994774][ T4023] read_pages+0x13c/0x420 [ 45.995963][ T4023] page_cache_ra_unbounded+0x534/0x654 [ 45.997484][ T4023] force_page_cache_ra+0x320/0x388 [ 45.998788][ T4023] generic_fadvise+0x490/0x750 [ 46.000029][ T4023] __arm64_sys_fadvise64_64+0x12c/0x174 [ 46.001520][ T4023] invoke_syscall+0x98/0x2b8 [ 46.002809][ T4023] el0_svc_common+0x138/0x258 [ 46.004027][ T4023] do_el0_svc+0x58/0x14c [ 46.005081][ T4023] el0_svc+0x7c/0x1f0 [ 46.006188][ T4023] el0t_64_sync_handler+0x84/0xe4 [ 46.007529][ T4023] el0t_64_sync+0x1a0/0x1a4 [ 46.008716][ T4023] Code: 8b1c0119 d343ff28 38f76908 350007c8 (39400334) [ 46.010541][ T4023] ---[ end trace b6f48e541b709fa9 ]--- [ 46.488202][ T4023] Kernel panic - not syncing: Oops: Fatal exception [ 46.490054][ T4023] SMP: stopping secondary CPUs [ 46.491385][ T4023] Kernel Offset: disabled [ 46.492504][ T4023] CPU features: 0x8,000081c1,21302e40 [ 46.494032][ T4023] Memory Limit: none [ 46.968307][ T4023] Rebooting in 86400 seconds..