Warning: Permanently added '10.128.0.183' (ED25519) to the list of known hosts. [ 30.064879][ T6161] cgroup: Unknown subsys name 'net' [ 30.265894][ T6161] cgroup: Unknown subsys name 'rlimit' executing program [ 30.685870][ T6167] loop0: detected capacity change from 0 to 32768 [ 30.691670][ T6167] find_entry called with index = 0 [ 30.693484][ T6167] read_mapping_page failed! [ 30.694674][ T6167] ERROR: (device loop0): txAbort: [ 30.694674][ T6167] executing program [ 31.380520][ T6168] loop0: detected capacity change from 0 to 32768 [ 31.385914][ T6168] find_entry called with index = 0 [ 31.387400][ T6168] read_mapping_page failed! [ 31.388669][ T6168] ERROR: (device loop0): txAbort: [ 31.388669][ T6168] [ 31.632942][ T6168] ================================================================== [ 31.634992][ T6168] BUG: KASAN: null-ptr-deref in drop_buffers+0x74/0x4b4 [ 31.636687][ T6168] Read of size 4 at addr 0000000000000060 by task syz-executor357/6168 [ 31.638719][ T6168] [ 31.639290][ T6168] CPU: 0 PID: 6168 Comm: syz-executor357 Tainted: G B 6.8.0-rc5-syzkaller-g9abbc24128bc #0 [ 31.642137][ T6168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 31.644652][ T6168] Call trace: [ 31.645469][ T6168] dump_backtrace+0x1b8/0x1e4 [ 31.646661][ T6168] show_stack+0x2c/0x3c [ 31.647773][ T6168] dump_stack_lvl+0xd0/0x124 [ 31.648949][ T6168] print_report+0xe4/0x518 [ 31.650126][ T6168] kasan_report+0xd8/0x138 [ 31.651218][ T6168] kasan_check_range+0x254/0x294 [ 31.652449][ T6168] __kasan_check_read+0x20/0x30 [ 31.653752][ T6168] drop_buffers+0x74/0x4b4 [ 31.654870][ T6168] try_to_free_buffers+0x1e0/0x308 [ 31.656138][ T6168] filemap_release_folio+0x1ec/0x248 [ 31.657495][ T6168] shrink_folio_list+0x1bb4/0x4b84 [ 31.658797][ T6168] shrink_lruvec+0x12a4/0x27b4 [ 31.659956][ T6168] shrink_node+0xe10/0x2268 [ 31.661092][ T6168] do_try_to_free_pages+0x5f8/0x14fc [ 31.662488][ T6168] try_to_free_mem_cgroup_pages+0x3a0/0xbac [ 31.664028][ T6168] try_charge_memcg+0x4a4/0x148c [ 31.665322][ T6168] __memcg_kmem_charge_page+0x188/0x304 [ 31.666673][ T6168] __alloc_pages+0x254/0x698 [ 31.667867][ T6168] bpf_ringbuf_alloc+0x100/0x434 [ 31.669070][ T6168] ringbuf_map_alloc+0x19c/0x288 [ 31.670352][ T6168] map_create+0x6f4/0xd64 [ 31.671445][ T6168] __sys_bpf+0x204/0x5dc [ 31.672562][ T6168] __arm64_sys_bpf+0x80/0x98 [ 31.673674][ T6168] invoke_syscall+0x98/0x2b8 [ 31.674879][ T6168] el0_svc_common+0x130/0x23c [ 31.676110][ T6168] do_el0_svc+0x48/0x58 [ 31.677141][ T6168] el0_svc+0x54/0x168 [ 31.678162][ T6168] el0t_64_sync_handler+0x84/0xfc [ 31.679368][ T6168] el0t_64_sync+0x190/0x194 [ 31.680483][ T6168] ================================================================== [ 31.682593][ T6168] Unable to handle kernel paging request at virtual address dfff80000000000c [ 31.684860][ T6168] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 31.686935][ T6168] Mem abort info: [ 31.687853][ T6168] ESR = 0x0000000096000005 [ 31.688996][ T6168] EC = 0x25: DABT (current EL), IL = 32 bits [ 31.690534][ T6168] SET = 0, FnV = 0 [ 31.691505][ T6168] EA = 0, S1PTW = 0 [ 31.692516][ T6168] FSC = 0x05: level 1 translation fault [ 31.693950][ T6168] Data abort info: [ 31.694889][ T6168] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 [ 31.696478][ T6168] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 31.697915][ T6168] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 31.699405][ T6168] [dfff80000000000c] address between user and kernel address ranges [ 31.701383][ T6168] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP [ 31.703035][ T6168] Modules linked in: [ 31.704003][ T6168] CPU: 0 PID: 6168 Comm: syz-executor357 Tainted: G B 6.8.0-rc5-syzkaller-g9abbc24128bc #0 [ 31.706821][ T6168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 31.709367][ T6168] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.711336][ T6168] pc : drop_buffers+0x80/0x4b4 [ 31.712560][ T6168] lr : drop_buffers+0x74/0x4b4 [ 31.713781][ T6168] sp : ffff8000974b6790 [ 31.714822][ T6168] x29: ffff8000974b67c0 x28: 1fffffbff86b4a40 x27: ffff0000d6357e70 [ 31.716950][ T6168] x26: dfff800000000000 x25: 1ffff00012e96d04 x24: dfff800000000000 [ 31.719063][ T6168] x23: 0000000000000000 x22: fffffdffc35a5208 x21: 0000000000000000 [ 31.721079][ T6168] x20: 0000000000000060 x19: 0000000000000000 x18: ffff8000974b6bf8 [ 31.723202][ T6168] x17: 3d3d3d3d3d3d3d3d x16: ffff800080276e70 x15: 0000000000000001 [ 31.725271][ T6168] x14: 1ffff000123e1a9c x13: 0000000000000000 x12: 0000000000000000 [ 31.727400][ T6168] x11: ffff7000123e1a9d x10: 0000000000ff0100 x9 : 0000000000000003 [ 31.729409][ T6168] x8 : 000000000000000c x7 : 0000000000000001 x6 : 0000000000000001 [ 31.731461][ T6168] x5 : ffff8000974b5f98 x4 : ffff80008ed715e0 x3 : ffff8000801c0904 [ 31.733488][ T6168] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 31.735666][ T6168] Call trace: [ 31.736494][ T6168] drop_buffers+0x80/0x4b4 [ 31.737683][ T6168] try_to_free_buffers+0x1e0/0x308 [ 31.739002][ T6168] filemap_release_folio+0x1ec/0x248 [ 31.740303][ T6168] shrink_folio_list+0x1bb4/0x4b84 [ 31.741557][ T6168] shrink_lruvec+0x12a4/0x27b4 [ 31.742756][ T6168] shrink_node+0xe10/0x2268 [ 31.743938][ T6168] do_try_to_free_pages+0x5f8/0x14fc [ 31.745288][ T6168] try_to_free_mem_cgroup_pages+0x3a0/0xbac [ 31.746793][ T6168] try_charge_memcg+0x4a4/0x148c [ 31.748061][ T6168] __memcg_kmem_charge_page+0x188/0x304 [ 31.749466][ T6168] __alloc_pages+0x254/0x698 [ 31.750649][ T6168] bpf_ringbuf_alloc+0x100/0x434 [ 31.751830][ T6168] ringbuf_map_alloc+0x19c/0x288 [ 31.753107][ T6168] map_create+0x6f4/0xd64 [ 31.754148][ T6168] __sys_bpf+0x204/0x5dc [ 31.755254][ T6168] __arm64_sys_bpf+0x80/0x98 [ 31.756382][ T6168] invoke_syscall+0x98/0x2b8 [ 31.757526][ T6168] el0_svc_common+0x130/0x23c [ 31.758773][ T6168] do_el0_svc+0x48/0x58 [ 31.759838][ T6168] el0_svc+0x54/0x168 [ 31.760877][ T6168] el0t_64_sync_handler+0x84/0xfc [ 31.762147][ T6168] el0t_64_sync+0x190/0x194 [ 31.763331][ T6168] Code: 97f86821 d343fe88 12000a89 11000d29 (38fa6908) [ 31.765172][ T6168] ---[ end trace 0000000000000000 ]--- [ 32.122356][ T6168] Kernel panic - not syncing: Oops: Fatal exception [ 32.124207][ T6168] SMP: stopping secondary CPUs [ 32.125391][ T6168] Kernel Offset: disabled [ 32.126488][ T6168] CPU features: 0x0,00000040,e004004a,21017203 [ 32.127995][ T6168] Memory Limit: none [ 32.463852][ T6168] Rebooting in 86400 seconds..