Warning: Permanently added '10.128.0.31' (ED25519) to the list of known hosts. executing program [ 45.146188][ T4018] loop0: detected capacity change from 0 to 16 [ 45.289806][ T4018] erofs: (device loop0): mounted with root inode @ nid 36. [ 45.293029][ T4018] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.296221][ T4018] erofs: (device loop0): z_erofs_lz4_decompress: failed to decompress -29 in[58, 4038] out[1851] [ 45.302088][ T4018] erofs: (device loop0): z_erofs_readpage: failed to read, err [-117] [ 45.307677][ T4018] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.310213][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 42 @ nid 36 [ 45.325844][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 45.328603][ T4018] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.331182][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 40 @ nid 36 [ 45.333525][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 39 @ nid 36 [ 45.335911][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 45.338681][ T4018] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.341198][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 45.343604][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 45.346015][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 45.348538][ T4018] erofs: (device loop0): z_erofs_map_blocks_iter: unknown type 3 @ offset 106495 of nid 36 [ 45.351145][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 45.353534][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 45.356128][ T4018] erofs: (device loop0): z_erofs_extent_lookback: unknown type 3 @ lcn 15 of nid 36 [ 45.358727][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 45.361095][ T4018] erofs: (device loop0): z_erofs_map_blocks_iter: unknown type 3 @ offset 65535 of nid 36 [ 45.363813][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 45.366417][ T4018] attempt to access beyond end of device [ 45.366417][ T4018] loop0: rw=524288, want=848, limit=16 [ 45.369603][ T4018] attempt to access beyond end of device [ 45.369603][ T4018] loop0: rw=524288, want=13478624104, limit=16 [ 45.372850][ T4018] attempt to access beyond end of device [ 45.372850][ T4018] loop0: rw=524288, want=13478624080, limit=16 [ 45.376106][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 45.378619][ T4018] erofs: (device loop0): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 45.381095][ T4018] erofs: (device loop0): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 45.383605][ T4018] attempt to access beyond end of device [ 45.383605][ T4018] loop0: rw=524288, want=32, limit=16 [ 45.386604][ T4018] erofs: (device loop0): z_erofs_lz4_decompress: failed to decompress -29 in[58, 4038] out[3537] [ 45.391463][ T4018] ================================================================== [ 45.393660][ T4018] BUG: KASAN: vmalloc-out-of-bounds in hex_dump_to_buffer+0x5dc/0x984 [ 45.395789][ T4018] Read of size 1 at addr ffff80001bdff000 by task syz-executor247/4018 [ 45.397987][ T4018] [ 45.398573][ T4018] CPU: 0 PID: 4018 Comm: syz-executor247 Not tainted 5.15.178-syzkaller #0 [ 45.400880][ T4018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 45.403633][ T4018] Call trace: [ 45.404540][ T4018] dump_backtrace+0x0/0x530 [ 45.405739][ T4018] show_stack+0x2c/0x3c [ 45.406892][ T4018] dump_stack_lvl+0x108/0x170 [ 45.408167][ T4018] print_address_description+0x7c/0x3f0 [ 45.409692][ T4018] kasan_report+0x174/0x1e4 [ 45.410948][ T4018] __asan_report_load1_noabort+0x44/0x50 [ 45.412466][ T4018] hex_dump_to_buffer+0x5dc/0x984 [ 45.413810][ T4018] print_hex_dump+0x140/0x248 [ 45.415090][ T4018] z_erofs_lz4_decompress+0x7a0/0xf28 [ 45.416507][ T4018] z_erofs_decompress+0x720/0xeec [ 45.417836][ T4018] z_erofs_decompress_queue+0x1158/0x1bc0 [ 45.419378][ T4018] z_erofs_runqueue+0x11d0/0x1474 [ 45.420718][ T4018] z_erofs_readahead+0x864/0xc98 [ 45.422106][ T4018] read_pages+0x13c/0x420 [ 45.423323][ T4018] page_cache_ra_unbounded+0x534/0x654 [ 45.424835][ T4018] force_page_cache_ra+0x320/0x388 [ 45.426251][ T4018] generic_fadvise+0x490/0x750 [ 45.427579][ T4018] __arm64_sys_fadvise64_64+0x12c/0x174 [ 45.429093][ T4018] invoke_syscall+0x98/0x2b8 [ 45.430362][ T4018] el0_svc_common+0x138/0x258 [ 45.431675][ T4018] do_el0_svc+0x58/0x14c [ 45.432890][ T4018] el0_svc+0x7c/0x1f0 [ 45.434031][ T4018] el0t_64_sync_handler+0x84/0xe4 [ 45.435349][ T4018] el0t_64_sync+0x1a0/0x1a4 [ 45.436584][ T4018] [ 45.437196][ T4018] [ 45.437811][ T4018] Memory state around the buggy address: [ 45.439286][ T4018] ffff80001bdfef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 45.441516][ T4018] ffff80001bdfef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 45.443730][ T4018] >ffff80001bdff000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 45.446003][ T4018] ^ [ 45.447087][ T4018] ffff80001bdff080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 45.449312][ T4018] ffff80001bdff100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 45.451601][ T4018] ================================================================== [ 45.453895][ T4018] Disabling lock debugging due to kernel taint [ 45.455771][ T4018] Unable to handle kernel paging request at virtual address ffff80001bdff000 [ 45.458166][ T4018] Mem abort info: [ 45.459179][ T4018] ESR = 0x0000000096000007 [ 45.460371][ T4018] EC = 0x25: DABT (current EL), IL = 32 bits [ 45.462184][ T4018] SET = 0, FnV = 0 [ 45.463231][ T4018] EA = 0, S1PTW = 0 [ 45.464402][ T4018] FSC = 0x07: level 3 translation fault [ 45.465894][ T4018] Data abort info: [ 45.466857][ T4018] ISV = 0, ISS = 0x00000007 [ 45.468213][ T4018] CM = 0, WnR = 0 [ 45.469268][ T4018] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001ae196000 [ 45.471382][ T4018] [ffff80001bdff000] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=100000023fff8003, pte=0000000000000000 [ 45.475074][ T4018] Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP [ 45.477026][ T4018] Modules linked in: [ 45.478010][ T4018] CPU: 0 PID: 4018 Comm: syz-executor247 Tainted: G B 5.15.178-syzkaller #0 [ 45.480858][ T4018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 45.483734][ T4018] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.485745][ T4018] pc : hex_dump_to_buffer+0x4d4/0x984 [ 45.487199][ T4018] lr : hex_dump_to_buffer+0x5dc/0x984 [ 45.488699][ T4018] sp : ffff80001d656a00 [ 45.489816][ T4018] x29: ffff80001d656a40 x28: 000000000000000b x27: 0000000000000021 [ 45.492073][ T4018] x26: ffff80001d656b1f x25: ffff80001bdff000 x24: 0000000000000022 [ 45.494248][ T4018] x23: dfff800000000000 x22: 0000000000000083 x21: 0000000000000021 [ 45.496567][ T4018] x20: 0000000000000000 x19: 0000000000000023 x18: 0000000000000005 [ 45.498876][ T4018] x17: 0000000000000000 x16: ffff80000824ec08 x15: 00000000ffffffff [ 45.501113][ T4018] x14: ffff0000cacf1b40 x13: 0000000000000001 x12: ffff700002e3a964 [ 45.503315][ T4018] x11: 0000000000000003 x10: 0000000000000000 x9 : 0000000000000000 [ 45.505558][ T4018] x8 : ffff0000cacf1b40 x7 : 0000000000000000 x6 : 0000000000000001 [ 45.507784][ T4018] x5 : ffff80001d656098 x4 : 0000000000000000 x3 : ffff80000819c3f0 [ 45.509973][ T4018] x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000001 [ 45.512276][ T4018] Call trace: [ 45.513427][ T4018] hex_dump_to_buffer+0x4d4/0x984 [ 45.514965][ T4018] print_hex_dump+0x140/0x248 [ 45.516259][ T4018] z_erofs_lz4_decompress+0x7a0/0xf28 [ 45.517779][ T4018] z_erofs_decompress+0x720/0xeec [ 45.519269][ T4018] z_erofs_decompress_queue+0x1158/0x1bc0 [ 45.520863][ T4018] z_erofs_runqueue+0x11d0/0x1474 [ 45.522334][ T4018] z_erofs_readahead+0x864/0xc98 [ 45.523696][ T4018] read_pages+0x13c/0x420 [ 45.524840][ T4018] page_cache_ra_unbounded+0x534/0x654 [ 45.526403][ T4018] force_page_cache_ra+0x320/0x388 [ 45.527905][ T4018] generic_fadvise+0x490/0x750 [ 45.529235][ T4018] __arm64_sys_fadvise64_64+0x12c/0x174 [ 45.530893][ T4018] invoke_syscall+0x98/0x2b8 [ 45.532205][ T4018] el0_svc_common+0x138/0x258 [ 45.533523][ T4018] do_el0_svc+0x58/0x14c [ 45.534619][ T4018] el0_svc+0x7c/0x1f0 [ 45.535704][ T4018] el0t_64_sync_handler+0x84/0xe4 [ 45.536984][ T4018] el0t_64_sync+0x1a0/0x1a4 [ 45.538147][ T4018] Code: 8b1c0119 d343ff28 38f76908 350007c8 (39400334) [ 45.540010][ T4018] ---[ end trace d2c8189049ca58d0 ]--- [ 46.063613][ T4018] Kernel panic - not syncing: Oops: Fatal exception [ 46.065547][ T4018] SMP: stopping secondary CPUs [ 46.066982][ T4018] Kernel Offset: disabled [ 46.068070][ T4018] CPU features: 0x8,000081c1,21302e40 [ 46.069585][ T4018] Memory Limit: none [ 46.557605][ T4018] Rebooting in 86400 seconds..