Warning: Permanently added '10.128.1.176' (ED25519) to the list of known hosts. 2026/11/05 22:53:25 parsed 1 programs 2026/11/05 22:53:25 serving rpc on tcp://38159 Setting up swapspace version 1, size = 127995904 bytes [ 35.842043][ T23] kauditd_printk_skb: 35 callbacks suppressed [ 35.842046][ T23] audit: type=1400 audit(1793919205.670:109): avc: denied { unlink } for pid=428 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 35.878228][ T428] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 36.287003][ T466] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.296288][ T466] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.303920][ T466] device bridge_slave_0 entered promiscuous mode [ 36.311129][ T466] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.320979][ T466] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.328927][ T466] device bridge_slave_1 entered promiscuous mode [ 36.341237][ T466] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.348760][ T466] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.358732][ T466] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.365935][ T466] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.375569][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.383237][ T47] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.391140][ T47] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.398695][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.407126][ T47] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.414720][ T47] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.423308][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.432036][ T47] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.440153][ T47] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.448763][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.459637][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.469979][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.479749][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.488755][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.496503][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.504855][ T466] device veth0_vlan entered promiscuous mode [ 36.512014][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.520706][ T466] device veth1_macvtap entered promiscuous mode [ 36.528302][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.537301][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.613897][ T23] audit: type=1401 audit(1793919206.440:110): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" 2026/11/05 22:53:26 executed programs: 0 [ 36.786940][ T482] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.794359][ T482] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.802032][ T482] device bridge_slave_0 entered promiscuous mode [ 36.809678][ T482] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.817368][ T482] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.824818][ T482] device bridge_slave_1 entered promiscuous mode [ 36.836121][ T482] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.843404][ T482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.850788][ T482] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.858073][ T482] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.867525][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.875732][ T47] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.883307][ T47] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.891472][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.900887][ T47] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.908177][ T47] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.916410][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.924894][ T47] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.932807][ T47] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.942323][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.953871][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.964042][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.975742][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.983998][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.992125][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.000202][ T482] device veth0_vlan entered promiscuous mode [ 37.007143][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.015705][ T482] device veth1_macvtap entered promiscuous mode [ 37.023676][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.032789][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.045492][ T488] erofs: (device loop2): mounted with root inode @ nid 36. [ 37.053622][ T488] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 37.061614][ T23] audit: type=1400 audit(1793919206.880:111): avc: denied { mount } for pid=487 comm="syz.2.17" name="/" dev="loop2" ino=36 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 37.063580][ T488] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 37.095981][ T488] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 37.096077][ T23] audit: type=1400 audit(1793919206.880:112): avc: denied { read } for pid=487 comm="syz.2.17" name="file2" dev="loop2" ino=89 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 37.105324][ T488] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 37.128336][ T23] audit: type=1400 audit(1793919206.880:113): avc: denied { open } for pid=487 comm="syz.2.17" path="/0/file1/file2" dev="loop2" ino=89 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 37.138184][ T488] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 37.170461][ T488] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 37.182543][ T488] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 37.192480][ T488] BUG: scheduling while atomic: syz.2.17/488/0x00000002 [ 37.199981][ T488] Modules linked in: [ 37.203915][ T488] Preemption disabled at: [ 37.203922][ T488] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 37.215873][ T488] CPU: 0 PID: 488 Comm: syz.2.17 Not tainted syzkaller #0 [ 37.225079][ T488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 37.236137][ T488] Call Trace: [ 37.239689][ T488] dump_stack_lvl+0x5d/0x75 [ 37.244282][ T488] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 37.250264][ T488] dump_stack+0x10/0x12 [ 37.254394][ T488] __schedule_bug.cold+0x83/0xae [ 37.259770][ T488] __schedule+0x67f/0x730 [ 37.264168][ T488] schedule+0x49/0xe0 [ 37.268346][ T488] io_schedule+0x41/0x70 [ 37.272646][ T488] wait_on_page_bit_common+0x117/0x3f0 [ 37.278162][ T488] ? file_fdatawait_range+0x30/0x30 [ 37.283825][ T488] generic_file_buffered_read+0x651/0xa10 [ 37.289775][ T488] generic_file_read_iter+0xbd/0x120 [ 37.295213][ T488] new_sync_read+0x102/0x180 [ 37.299858][ T488] vfs_read+0x12f/0x190 [ 37.304184][ T488] ksys_read+0x62/0xe0 [ 37.308480][ T488] __x64_sys_read+0x15/0x20 [ 37.313037][ T488] do_syscall_64+0x32/0x50 [ 37.317506][ T488] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 37.323809][ T488] RIP: 0033:0x7f46d0a99e99 [ 37.328849][ T488] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 37.350015][ T488] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 37.359023][ T488] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 37.367314][ T488] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 37.375338][ T488] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 37.383538][ T488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 37.391729][ T488] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 37.542248][ T491] erofs: (device loop2): mounted with root inode @ nid 36. [ 37.550392][ T491] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 37.560972][ T491] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 37.572367][ T491] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 37.581871][ T491] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 37.591684][ T491] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 37.601765][ T491] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 37.613386][ T491] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 37.623342][ T491] BUG: scheduling while atomic: syz.2.18/491/0x00000002 [ 37.630816][ T491] Modules linked in: [ 37.635071][ T491] Preemption disabled at: [ 37.635079][ T491] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 37.648172][ T491] CPU: 0 PID: 491 Comm: syz.2.18 Tainted: G W syzkaller #0 [ 37.657122][ T491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 37.668572][ T491] Call Trace: [ 37.672323][ T491] dump_stack_lvl+0x5d/0x75 [ 37.676974][ T491] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 37.682539][ T491] dump_stack+0x10/0x12 [ 37.686751][ T491] __schedule_bug.cold+0x83/0xae [ 37.691944][ T491] __schedule+0x67f/0x730 [ 37.696695][ T491] schedule+0x49/0xe0 [ 37.701172][ T491] io_schedule+0x41/0x70 [ 37.706166][ T491] wait_on_page_bit_common+0x117/0x3f0 [ 37.712635][ T491] ? file_fdatawait_range+0x30/0x30 [ 37.719105][ T491] generic_file_buffered_read+0x651/0xa10 [ 37.726429][ T491] generic_file_read_iter+0xbd/0x120 [ 37.732348][ T491] new_sync_read+0x102/0x180 [ 37.737184][ T491] vfs_read+0x12f/0x190 [ 37.741597][ T491] ksys_read+0x62/0xe0 [ 37.745949][ T491] __x64_sys_read+0x15/0x20 [ 37.750702][ T491] do_syscall_64+0x32/0x50 [ 37.756140][ T491] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 37.763137][ T491] RIP: 0033:0x7f46d0a99e99 [ 37.767722][ T491] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 37.788667][ T491] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 37.798948][ T491] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 37.807591][ T491] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 37.816793][ T491] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 37.825125][ T491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 37.834108][ T491] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 37.972123][ T494] erofs: (device loop2): mounted with root inode @ nid 36. [ 37.979881][ T494] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 37.989568][ T494] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 37.989732][ T7] device bridge_slave_1 left promiscuous mode [ 37.998877][ T494] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 38.005104][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.014210][ T494] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 38.031738][ T494] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 38.031753][ T7] device bridge_slave_0 left promiscuous mode [ 38.040992][ T494] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 38.040994][ T494] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 38.041030][ T494] BUG: scheduling while atomic: syz.2.19/494/0x00000002 [ 38.047318][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.058442][ T494] Modules linked in: [ 38.085987][ T494] Preemption disabled at: [ 38.085994][ T494] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 38.097963][ T494] CPU: 0 PID: 494 Comm: syz.2.19 Tainted: G W syzkaller #0 [ 38.106811][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 38.117022][ T494] Call Trace: [ 38.120279][ T494] dump_stack_lvl+0x5d/0x75 [ 38.125272][ T494] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 38.131124][ T494] dump_stack+0x10/0x12 [ 38.135356][ T494] __schedule_bug.cold+0x83/0xae [ 38.140583][ T494] __schedule+0x67f/0x730 [ 38.145072][ T494] schedule+0x49/0xe0 [ 38.149220][ T494] io_schedule+0x41/0x70 [ 38.154037][ T494] wait_on_page_bit_common+0x117/0x3f0 [ 38.159692][ T494] ? file_fdatawait_range+0x30/0x30 [ 38.164954][ T494] generic_file_buffered_read+0x651/0xa10 [ 38.170944][ T494] generic_file_read_iter+0xbd/0x120 [ 38.176665][ T494] new_sync_read+0x102/0x180 [ 38.181670][ T494] vfs_read+0x12f/0x190 [ 38.186297][ T494] ksys_read+0x62/0xe0 [ 38.190432][ T494] __x64_sys_read+0x15/0x20 [ 38.195078][ T494] do_syscall_64+0x32/0x50 [ 38.199831][ T494] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 38.206450][ T494] RIP: 0033:0x7f46d0a99e99 [ 38.211030][ T494] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 38.231508][ T494] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 38.241091][ T494] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 38.249700][ T494] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 38.258137][ T494] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 38.266569][ T494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 38.274997][ T494] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 38.283763][ T7] device veth1_macvtap left promiscuous mode [ 38.290134][ T7] device veth0_vlan left promiscuous mode [ 38.402423][ T497] erofs: (device loop2): mounted with root inode @ nid 36. [ 38.410623][ T497] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 38.420325][ T497] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 38.430787][ T497] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 38.440515][ T497] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 38.450390][ T497] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 38.460020][ T497] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 38.471693][ T497] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 38.481367][ T497] BUG: scheduling while atomic: syz.2.20/497/0x00000002 [ 38.488571][ T497] Modules linked in: [ 38.492458][ T497] Preemption disabled at: [ 38.492464][ T497] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 38.504253][ T497] CPU: 0 PID: 497 Comm: syz.2.20 Tainted: G W syzkaller #0 [ 38.513540][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 38.524197][ T497] Call Trace: [ 38.527633][ T497] dump_stack_lvl+0x5d/0x75 [ 38.532299][ T497] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 38.538757][ T497] dump_stack+0x10/0x12 [ 38.543612][ T497] __schedule_bug.cold+0x83/0xae [ 38.549287][ T497] __schedule+0x67f/0x730 [ 38.554139][ T497] schedule+0x49/0xe0 [ 38.558865][ T497] io_schedule+0x41/0x70 [ 38.563168][ T497] wait_on_page_bit_common+0x117/0x3f0 [ 38.568729][ T497] ? file_fdatawait_range+0x30/0x30 [ 38.574140][ T497] generic_file_buffered_read+0x651/0xa10 [ 38.579912][ T497] generic_file_read_iter+0xbd/0x120 [ 38.585279][ T497] new_sync_read+0x102/0x180 [ 38.590214][ T497] vfs_read+0x12f/0x190 [ 38.594702][ T497] ksys_read+0x62/0xe0 [ 38.598929][ T497] __x64_sys_read+0x15/0x20 [ 38.604021][ T497] do_syscall_64+0x32/0x50 [ 38.608554][ T497] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 38.615025][ T497] RIP: 0033:0x7f46d0a99e99 [ 38.619933][ T497] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 38.641274][ T497] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 38.651147][ T497] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 38.660291][ T497] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 38.668623][ T497] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 38.676955][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 38.685583][ T497] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 38.782450][ T500] erofs: (device loop2): mounted with root inode @ nid 36. [ 38.792211][ T500] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 38.802225][ T500] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 38.812591][ T500] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 38.822889][ T500] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 38.833457][ T500] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 38.842801][ T500] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 38.853795][ T500] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 38.863144][ T500] BUG: scheduling while atomic: syz.2.21/500/0x00000002 [ 38.870598][ T500] Modules linked in: [ 38.875069][ T500] Preemption disabled at: [ 38.875076][ T500] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 38.888169][ T500] CPU: 0 PID: 500 Comm: syz.2.21 Tainted: G W syzkaller #0 [ 38.897031][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 38.907899][ T500] Call Trace: [ 38.911272][ T500] dump_stack_lvl+0x5d/0x75 [ 38.916081][ T500] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 38.921980][ T500] dump_stack+0x10/0x12 [ 38.927551][ T500] __schedule_bug.cold+0x83/0xae [ 38.933111][ T500] __schedule+0x67f/0x730 [ 38.938241][ T500] schedule+0x49/0xe0 [ 38.942303][ T500] io_schedule+0x41/0x70 [ 38.946526][ T500] wait_on_page_bit_common+0x117/0x3f0 [ 38.951963][ T500] ? file_fdatawait_range+0x30/0x30 [ 38.958704][ T500] generic_file_buffered_read+0x651/0xa10 [ 38.964940][ T500] generic_file_read_iter+0xbd/0x120 [ 38.970431][ T500] new_sync_read+0x102/0x180 [ 38.975461][ T500] vfs_read+0x12f/0x190 [ 38.979904][ T500] ksys_read+0x62/0xe0 [ 38.984362][ T500] __x64_sys_read+0x15/0x20 [ 38.989015][ T500] do_syscall_64+0x32/0x50 [ 38.994034][ T500] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 39.000457][ T500] RIP: 0033:0x7f46d0a99e99 [ 39.005134][ T500] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 39.026558][ T500] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 39.035418][ T500] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 39.043978][ T500] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 39.053006][ T500] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 39.061579][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 39.070291][ T500] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 39.162124][ T506] erofs: (device loop2): mounted with root inode @ nid 36. [ 39.170831][ T506] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 39.180913][ T506] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 39.190830][ T506] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 39.200528][ T506] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 39.210601][ T506] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 39.220019][ T506] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 39.232194][ T506] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 39.241764][ T506] BUG: scheduling while atomic: syz.2.22/506/0x00000002 [ 39.249261][ T506] Modules linked in: [ 39.253149][ T506] Preemption disabled at: [ 39.253156][ T506] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 39.264889][ T506] CPU: 0 PID: 506 Comm: syz.2.22 Tainted: G W syzkaller #0 [ 39.273955][ T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 39.284396][ T506] Call Trace: [ 39.287658][ T506] dump_stack_lvl+0x5d/0x75 [ 39.292215][ T506] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 39.298101][ T506] dump_stack+0x10/0x12 [ 39.302537][ T506] __schedule_bug.cold+0x83/0xae [ 39.307681][ T506] __schedule+0x67f/0x730 [ 39.312633][ T506] schedule+0x49/0xe0 [ 39.317175][ T506] io_schedule+0x41/0x70 [ 39.321713][ T506] wait_on_page_bit_common+0x117/0x3f0 [ 39.327576][ T506] ? file_fdatawait_range+0x30/0x30 [ 39.333304][ T506] generic_file_buffered_read+0x651/0xa10 [ 39.340068][ T506] generic_file_read_iter+0xbd/0x120 [ 39.346043][ T506] new_sync_read+0x102/0x180 [ 39.351135][ T506] vfs_read+0x12f/0x190 [ 39.356221][ T506] ksys_read+0x62/0xe0 [ 39.360667][ T506] __x64_sys_read+0x15/0x20 [ 39.365865][ T506] do_syscall_64+0x32/0x50 [ 39.370809][ T506] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 39.377391][ T506] RIP: 0033:0x7f46d0a99e99 [ 39.382217][ T506] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 39.402487][ T506] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 39.411215][ T506] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 39.420652][ T506] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 39.428918][ T506] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 39.437049][ T506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 39.445001][ T506] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 39.542268][ T509] erofs: (device loop2): mounted with root inode @ nid 36. [ 39.551846][ T509] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 39.561017][ T509] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 39.571073][ T509] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 39.580886][ T509] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 39.590710][ T509] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 39.600113][ T509] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 39.611755][ T509] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 39.621362][ T509] BUG: scheduling while atomic: syz.2.23/509/0x00000002 [ 39.628878][ T509] Modules linked in: [ 39.632888][ T509] Preemption disabled at: [ 39.632894][ T509] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 39.645388][ T509] CPU: 1 PID: 509 Comm: syz.2.23 Tainted: G W syzkaller #0 [ 39.654297][ T509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 39.665739][ T509] Call Trace: [ 39.669178][ T509] dump_stack_lvl+0x5d/0x75 [ 39.673752][ T509] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 39.679835][ T509] dump_stack+0x10/0x12 [ 39.684257][ T509] __schedule_bug.cold+0x83/0xae [ 39.689662][ T509] __schedule+0x67f/0x730 [ 39.694294][ T509] schedule+0x49/0xe0 [ 39.698260][ T509] io_schedule+0x41/0x70 [ 39.703041][ T509] wait_on_page_bit_common+0x117/0x3f0 [ 39.708754][ T509] ? file_fdatawait_range+0x30/0x30 [ 39.714074][ T509] generic_file_buffered_read+0x651/0xa10 [ 39.719945][ T509] generic_file_read_iter+0xbd/0x120 [ 39.725495][ T509] new_sync_read+0x102/0x180 [ 39.730514][ T509] vfs_read+0x12f/0x190 [ 39.735521][ T509] ksys_read+0x62/0xe0 [ 39.740218][ T509] __x64_sys_read+0x15/0x20 [ 39.744876][ T509] do_syscall_64+0x32/0x50 [ 39.749612][ T509] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 39.755799][ T509] RIP: 0033:0x7f46d0a99e99 [ 39.760575][ T509] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 39.782791][ T509] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 39.793360][ T509] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 39.803494][ T509] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 39.812239][ T509] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 39.822175][ T509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 39.831451][ T509] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 39.932647][ T512] erofs: (device loop2): mounted with root inode @ nid 36. [ 39.941054][ T512] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 39.950940][ T512] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 39.960326][ T512] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 39.969535][ T512] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 39.979029][ T512] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 39.988844][ T512] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 40.000488][ T512] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 40.009963][ T512] BUG: scheduling while atomic: syz.2.24/512/0x00000002 [ 40.017091][ T512] Modules linked in: [ 40.021287][ T512] Preemption disabled at: [ 40.021293][ T512] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 40.033315][ T512] CPU: 0 PID: 512 Comm: syz.2.24 Tainted: G W syzkaller #0 [ 40.042567][ T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 40.052935][ T512] Call Trace: [ 40.056373][ T512] dump_stack_lvl+0x5d/0x75 [ 40.060962][ T512] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 40.067149][ T512] dump_stack+0x10/0x12 [ 40.071634][ T512] __schedule_bug.cold+0x83/0xae [ 40.077301][ T512] __schedule+0x67f/0x730 [ 40.081686][ T512] schedule+0x49/0xe0 [ 40.085943][ T512] io_schedule+0x41/0x70 [ 40.090376][ T512] wait_on_page_bit_common+0x117/0x3f0 [ 40.096216][ T512] ? file_fdatawait_range+0x30/0x30 [ 40.101665][ T512] generic_file_buffered_read+0x651/0xa10 [ 40.107660][ T512] generic_file_read_iter+0xbd/0x120 [ 40.113004][ T512] new_sync_read+0x102/0x180 [ 40.117821][ T512] vfs_read+0x12f/0x190 [ 40.122472][ T512] ksys_read+0x62/0xe0 [ 40.126747][ T512] __x64_sys_read+0x15/0x20 [ 40.131581][ T512] do_syscall_64+0x32/0x50 [ 40.136359][ T512] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 40.143380][ T512] RIP: 0033:0x7f46d0a99e99 [ 40.148529][ T512] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 40.170018][ T512] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 40.178751][ T512] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 40.188784][ T512] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 40.198018][ T512] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 40.207371][ T512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.216382][ T512] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 40.302253][ T515] erofs: (device loop2): mounted with root inode @ nid 36. [ 40.310066][ T515] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 40.320645][ T515] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 40.331560][ T515] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 40.341953][ T515] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 40.351556][ T515] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 40.361316][ T515] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 40.373437][ T515] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 40.384036][ T515] BUG: scheduling while atomic: syz.2.25/515/0x00000002 [ 40.392142][ T515] Modules linked in: [ 40.396297][ T515] Preemption disabled at: [ 40.396304][ T515] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 40.408498][ T515] CPU: 0 PID: 515 Comm: syz.2.25 Tainted: G W syzkaller #0 [ 40.417558][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 40.429059][ T515] Call Trace: [ 40.432567][ T515] dump_stack_lvl+0x5d/0x75 [ 40.437714][ T515] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 40.443369][ T515] dump_stack+0x10/0x12 [ 40.447600][ T515] __schedule_bug.cold+0x83/0xae [ 40.453021][ T515] __schedule+0x67f/0x730 [ 40.457445][ T515] schedule+0x49/0xe0 [ 40.461769][ T515] io_schedule+0x41/0x70 [ 40.466790][ T515] wait_on_page_bit_common+0x117/0x3f0 [ 40.472677][ T515] ? file_fdatawait_range+0x30/0x30 [ 40.478407][ T515] generic_file_buffered_read+0x651/0xa10 [ 40.484813][ T515] generic_file_read_iter+0xbd/0x120 [ 40.490365][ T515] new_sync_read+0x102/0x180 [ 40.495194][ T515] vfs_read+0x12f/0x190 [ 40.499766][ T515] ksys_read+0x62/0xe0 [ 40.504410][ T515] __x64_sys_read+0x15/0x20 [ 40.509066][ T515] do_syscall_64+0x32/0x50 [ 40.513536][ T515] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 40.519610][ T515] RIP: 0033:0x7f46d0a99e99 [ 40.524374][ T515] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 40.545058][ T515] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 40.555075][ T515] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 40.565130][ T515] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 40.574013][ T515] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 40.582977][ T515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.591805][ T515] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 40.682590][ T518] erofs: (device loop2): mounted with root inode @ nid 36. [ 40.690616][ T518] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 40.700552][ T518] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 40.710632][ T518] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 40.721194][ T518] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 40.731220][ T518] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 40.740730][ T518] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 40.753017][ T518] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 40.763159][ T518] BUG: scheduling while atomic: syz.2.26/518/0x00000002 [ 40.770797][ T518] Modules linked in: [ 40.774984][ T518] Preemption disabled at: [ 40.774991][ T518] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 40.787321][ T518] CPU: 0 PID: 518 Comm: syz.2.26 Tainted: G W syzkaller #0 [ 40.796802][ T518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 40.808193][ T518] Call Trace: [ 40.812355][ T518] dump_stack_lvl+0x5d/0x75 [ 40.817616][ T518] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 40.823407][ T518] dump_stack+0x10/0x12 [ 40.828209][ T518] __schedule_bug.cold+0x83/0xae [ 40.833552][ T518] __schedule+0x67f/0x730 [ 40.838200][ T518] schedule+0x49/0xe0 [ 40.842416][ T518] io_schedule+0x41/0x70 [ 40.847065][ T518] wait_on_page_bit_common+0x117/0x3f0 [ 40.853365][ T518] ? file_fdatawait_range+0x30/0x30 [ 40.859018][ T518] generic_file_buffered_read+0x651/0xa10 [ 40.865081][ T518] generic_file_read_iter+0xbd/0x120 [ 40.870778][ T518] new_sync_read+0x102/0x180 [ 40.875565][ T518] vfs_read+0x12f/0x190 [ 40.881095][ T518] ksys_read+0x62/0xe0 [ 40.885616][ T518] __x64_sys_read+0x15/0x20 [ 40.890106][ T518] do_syscall_64+0x32/0x50 [ 40.894993][ T518] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 40.901260][ T518] RIP: 0033:0x7f46d0a99e99 [ 40.906044][ T518] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 40.926372][ T518] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 40.935587][ T518] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 40.944327][ T518] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 40.953474][ T518] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 40.961982][ T518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.971145][ T518] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 41.061904][ T521] erofs: (device loop2): mounted with root inode @ nid 36. [ 41.070154][ T521] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 41.080306][ T521] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 41.089709][ T521] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 41.099340][ T521] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 41.108721][ T521] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 41.118145][ T521] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 41.129415][ T521] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 41.139252][ T521] BUG: scheduling while atomic: syz.2.27/521/0x00000002 [ 41.146824][ T521] Modules linked in: [ 41.150893][ T521] Preemption disabled at: [ 41.150899][ T521] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 41.163999][ T521] CPU: 1 PID: 521 Comm: syz.2.27 Tainted: G W syzkaller #0 [ 41.172721][ T521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 41.183023][ T521] Call Trace: [ 41.186400][ T521] dump_stack_lvl+0x5d/0x75 [ 41.191298][ T521] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 41.196847][ T521] dump_stack+0x10/0x12 [ 41.201616][ T521] __schedule_bug.cold+0x83/0xae [ 41.206532][ T521] __schedule+0x67f/0x730 [ 41.211074][ T521] schedule+0x49/0xe0 [ 41.215444][ T521] io_schedule+0x41/0x70 [ 41.219828][ T521] wait_on_page_bit_common+0x117/0x3f0 [ 41.225688][ T521] ? file_fdatawait_range+0x30/0x30 [ 41.231408][ T521] generic_file_buffered_read+0x651/0xa10 [ 41.237570][ T521] generic_file_read_iter+0xbd/0x120 [ 41.242845][ T521] new_sync_read+0x102/0x180 [ 41.247878][ T521] vfs_read+0x12f/0x190 [ 41.252761][ T521] ksys_read+0x62/0xe0 [ 41.257924][ T521] __x64_sys_read+0x15/0x20 [ 41.263278][ T521] do_syscall_64+0x32/0x50 [ 41.268196][ T521] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 41.274258][ T521] RIP: 0033:0x7f46d0a99e99 [ 41.278852][ T521] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 41.299232][ T521] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 41.308327][ T521] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 41.317344][ T521] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 41.326428][ T521] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 41.336137][ T521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.345236][ T521] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 41.501722][ T524] erofs: (device loop2): mounted with root inode @ nid 36. [ 41.509646][ T524] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 41.520288][ T524] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 41.531166][ T524] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 41.541780][ T524] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 41.552553][ T524] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 41.563048][ T524] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 41.577790][ T524] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 41.590886][ T524] BUG: scheduling while atomic: syz.2.28/524/0x00000002 [ 41.599666][ T524] Modules linked in: [ 41.603982][ T524] Preemption disabled at: [ 41.603989][ T524] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 41.616880][ T524] CPU: 1 PID: 524 Comm: syz.2.28 Tainted: G W syzkaller #0 [ 41.626197][ T524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 41.637900][ T524] Call Trace: [ 41.641800][ T524] dump_stack_lvl+0x5d/0x75 [ 41.646725][ T524] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 41.652786][ T524] dump_stack+0x10/0x12 [ 41.658322][ T524] __schedule_bug.cold+0x83/0xae [ 41.663419][ T524] __schedule+0x67f/0x730 [ 41.668427][ T524] schedule+0x49/0xe0 [ 41.673200][ T524] io_schedule+0x41/0x70 [ 41.678141][ T524] wait_on_page_bit_common+0x117/0x3f0 [ 41.684526][ T524] ? file_fdatawait_range+0x30/0x30 [ 41.690176][ T524] generic_file_buffered_read+0x651/0xa10 [ 41.698323][ T524] generic_file_read_iter+0xbd/0x120 [ 41.704670][ T524] new_sync_read+0x102/0x180 [ 41.709738][ T524] vfs_read+0x12f/0x190 [ 41.714256][ T524] ksys_read+0x62/0xe0 [ 41.718816][ T524] __x64_sys_read+0x15/0x20 [ 41.724254][ T524] do_syscall_64+0x32/0x50 [ 41.729014][ T524] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 41.736076][ T524] RIP: 0033:0x7f46d0a99e99 [ 41.740936][ T524] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 41.764421][ T524] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 41.774965][ T524] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 41.786585][ T524] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 2026/11/05 22:53:31 executed programs: 14 [ 41.795898][ T524] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 41.806904][ T524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.818237][ T524] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 41.922314][ T527] erofs: (device loop2): mounted with root inode @ nid 36. [ 41.931756][ T527] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 41.941712][ T527] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 41.952939][ T527] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 41.964072][ T527] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 41.974495][ T527] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 41.984807][ T527] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 41.996727][ T527] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 42.006199][ T527] BUG: scheduling while atomic: syz.2.29/527/0x00000002 [ 42.013889][ T527] Modules linked in: [ 42.018051][ T527] Preemption disabled at: [ 42.018058][ T527] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 42.030897][ T527] CPU: 0 PID: 527 Comm: syz.2.29 Tainted: G W syzkaller #0 [ 42.040257][ T527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 42.052176][ T527] Call Trace: [ 42.055965][ T527] dump_stack_lvl+0x5d/0x75 [ 42.061288][ T527] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 42.068085][ T527] dump_stack+0x10/0x12 [ 42.072705][ T527] __schedule_bug.cold+0x83/0xae [ 42.078788][ T527] __schedule+0x67f/0x730 [ 42.083771][ T527] schedule+0x49/0xe0 [ 42.088084][ T527] io_schedule+0x41/0x70 [ 42.092542][ T527] wait_on_page_bit_common+0x117/0x3f0 [ 42.098422][ T527] ? file_fdatawait_range+0x30/0x30 [ 42.104318][ T527] generic_file_buffered_read+0x651/0xa10 [ 42.110555][ T527] generic_file_read_iter+0xbd/0x120 [ 42.116162][ T527] new_sync_read+0x102/0x180 [ 42.121623][ T527] vfs_read+0x12f/0x190 [ 42.126287][ T527] ksys_read+0x62/0xe0 [ 42.130846][ T527] __x64_sys_read+0x15/0x20 [ 42.135935][ T527] do_syscall_64+0x32/0x50 [ 42.140542][ T527] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 42.146578][ T527] RIP: 0033:0x7f46d0a99e99 [ 42.151568][ T527] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 42.173396][ T527] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 42.182448][ T527] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 42.190910][ T527] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 42.199030][ T527] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 42.208693][ T527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.217616][ T527] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 42.301831][ T530] erofs: (device loop2): mounted with root inode @ nid 36. [ 42.309937][ T530] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 42.319643][ T530] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 42.330118][ T530] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 42.340518][ T530] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 42.350258][ T530] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 42.360111][ T530] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 42.371694][ T530] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 42.380829][ T530] BUG: scheduling while atomic: syz.2.30/530/0x00000002 [ 42.388098][ T530] Modules linked in: [ 42.391986][ T530] Preemption disabled at: [ 42.391992][ T530] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 42.404417][ T530] CPU: 0 PID: 530 Comm: syz.2.30 Tainted: G W syzkaller #0 [ 42.413029][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 42.423617][ T530] Call Trace: [ 42.427000][ T530] dump_stack_lvl+0x5d/0x75 [ 42.431486][ T530] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 42.437357][ T530] dump_stack+0x10/0x12 [ 42.441659][ T530] __schedule_bug.cold+0x83/0xae [ 42.446752][ T530] __schedule+0x67f/0x730 [ 42.451192][ T530] schedule+0x49/0xe0 [ 42.455356][ T530] io_schedule+0x41/0x70 [ 42.459753][ T530] wait_on_page_bit_common+0x117/0x3f0 [ 42.465758][ T530] ? file_fdatawait_range+0x30/0x30 [ 42.471062][ T530] generic_file_buffered_read+0x651/0xa10 [ 42.477942][ T530] generic_file_read_iter+0xbd/0x120 [ 42.483835][ T530] new_sync_read+0x102/0x180 [ 42.488587][ T530] vfs_read+0x12f/0x190 [ 42.492906][ T530] ksys_read+0x62/0xe0 [ 42.496946][ T530] __x64_sys_read+0x15/0x20 [ 42.501515][ T530] do_syscall_64+0x32/0x50 [ 42.506354][ T530] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 42.512213][ T530] RIP: 0033:0x7f46d0a99e99 [ 42.516699][ T530] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 42.537953][ T530] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 42.547467][ T530] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 42.557209][ T530] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 42.565938][ T530] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 42.575079][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.583479][ T530] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 42.682229][ T533] erofs: (device loop2): mounted with root inode @ nid 36. [ 42.691324][ T533] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 42.701675][ T533] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 42.712049][ T533] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 42.721448][ T533] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 42.731771][ T533] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 42.742039][ T533] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 42.754758][ T533] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 42.764789][ T533] BUG: scheduling while atomic: syz.2.31/533/0x00000002 [ 42.772628][ T533] Modules linked in: [ 42.777188][ T533] Preemption disabled at: [ 42.777196][ T533] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 42.791867][ T533] CPU: 0 PID: 533 Comm: syz.2.31 Tainted: G W syzkaller #0 [ 42.801787][ T533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 42.813160][ T533] Call Trace: [ 42.816858][ T533] dump_stack_lvl+0x5d/0x75 [ 42.822665][ T533] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 42.828543][ T533] dump_stack+0x10/0x12 [ 42.833010][ T533] __schedule_bug.cold+0x83/0xae [ 42.838297][ T533] __schedule+0x67f/0x730 [ 42.843844][ T533] schedule+0x49/0xe0 [ 42.847793][ T533] io_schedule+0x41/0x70 [ 42.852000][ T533] wait_on_page_bit_common+0x117/0x3f0 [ 42.858499][ T533] ? file_fdatawait_range+0x30/0x30 [ 42.864039][ T533] generic_file_buffered_read+0x651/0xa10 [ 42.870202][ T533] generic_file_read_iter+0xbd/0x120 [ 42.875839][ T533] new_sync_read+0x102/0x180 [ 42.881275][ T533] vfs_read+0x12f/0x190 [ 42.885912][ T533] ksys_read+0x62/0xe0 [ 42.890852][ T533] __x64_sys_read+0x15/0x20 [ 42.896693][ T533] do_syscall_64+0x32/0x50 [ 42.901702][ T533] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 42.908099][ T533] RIP: 0033:0x7f46d0a99e99 [ 42.912746][ T533] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 42.933179][ T533] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 42.941819][ T533] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 42.950602][ T533] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 42.958737][ T533] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 42.966851][ T533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.975361][ T533] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 43.063968][ T536] erofs: (device loop2): mounted with root inode @ nid 36. [ 43.072270][ T536] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 43.081722][ T536] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 43.090812][ T536] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 43.100243][ T536] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 43.109443][ T536] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 43.118849][ T536] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 43.131022][ T536] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 43.140283][ T536] BUG: scheduling while atomic: syz.2.32/536/0x00000002 [ 43.147923][ T536] Modules linked in: [ 43.152203][ T536] Preemption disabled at: [ 43.152211][ T536] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 43.165057][ T536] CPU: 0 PID: 536 Comm: syz.2.32 Tainted: G W syzkaller #0 [ 43.174330][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 43.185540][ T536] Call Trace: [ 43.188955][ T536] dump_stack_lvl+0x5d/0x75 [ 43.193637][ T536] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 43.200230][ T536] dump_stack+0x10/0x12 [ 43.204617][ T536] __schedule_bug.cold+0x83/0xae [ 43.210250][ T536] __schedule+0x67f/0x730 [ 43.214738][ T536] schedule+0x49/0xe0 [ 43.218773][ T536] io_schedule+0x41/0x70 [ 43.223382][ T536] wait_on_page_bit_common+0x117/0x3f0 [ 43.229179][ T536] ? file_fdatawait_range+0x30/0x30 [ 43.234699][ T536] generic_file_buffered_read+0x651/0xa10 [ 43.241634][ T536] generic_file_read_iter+0xbd/0x120 [ 43.247472][ T536] new_sync_read+0x102/0x180 [ 43.252488][ T536] vfs_read+0x12f/0x190 [ 43.256882][ T536] ksys_read+0x62/0xe0 [ 43.262067][ T536] __x64_sys_read+0x15/0x20 [ 43.266978][ T536] do_syscall_64+0x32/0x50 [ 43.271524][ T536] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 43.277562][ T536] RIP: 0033:0x7f46d0a99e99 [ 43.281960][ T536] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 43.303361][ T536] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 43.312596][ T536] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 43.322600][ T536] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 43.332546][ T536] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 43.341692][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.350994][ T536] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 43.451835][ T539] erofs: (device loop2): mounted with root inode @ nid 36. [ 43.459417][ T539] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 43.469385][ T539] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 43.479614][ T539] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 43.490425][ T539] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 43.499811][ T539] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 43.509187][ T539] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 43.520118][ T539] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 43.529341][ T539] BUG: scheduling while atomic: syz.2.33/539/0x00000002 [ 43.536272][ T539] Modules linked in: [ 43.540224][ T539] Preemption disabled at: [ 43.540232][ T539] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 43.553027][ T539] CPU: 0 PID: 539 Comm: syz.2.33 Tainted: G W syzkaller #0 [ 43.561508][ T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 43.571587][ T539] Call Trace: [ 43.575104][ T539] dump_stack_lvl+0x5d/0x75 [ 43.579923][ T539] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 43.585680][ T539] dump_stack+0x10/0x12 [ 43.590130][ T539] __schedule_bug.cold+0x83/0xae [ 43.595144][ T539] __schedule+0x67f/0x730 [ 43.599536][ T539] schedule+0x49/0xe0 [ 43.603572][ T539] io_schedule+0x41/0x70 [ 43.608223][ T539] wait_on_page_bit_common+0x117/0x3f0 [ 43.614088][ T539] ? file_fdatawait_range+0x30/0x30 [ 43.619348][ T539] generic_file_buffered_read+0x651/0xa10 [ 43.625553][ T539] generic_file_read_iter+0xbd/0x120 [ 43.631022][ T539] new_sync_read+0x102/0x180 [ 43.636165][ T539] vfs_read+0x12f/0x190 [ 43.640519][ T539] ksys_read+0x62/0xe0 [ 43.644561][ T539] __x64_sys_read+0x15/0x20 [ 43.649117][ T539] do_syscall_64+0x32/0x50 [ 43.653737][ T539] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 43.659895][ T539] RIP: 0033:0x7f46d0a99e99 [ 43.664297][ T539] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 43.685224][ T539] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 43.694144][ T539] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 43.702444][ T539] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 43.710681][ T539] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 43.718795][ T539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.726969][ T539] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 43.813269][ T542] erofs: (device loop2): mounted with root inode @ nid 36. [ 43.821940][ T542] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 43.833266][ T542] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 43.843601][ T542] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 43.853232][ T542] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 43.862520][ T542] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 43.871802][ T542] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 43.883835][ T542] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 43.894990][ T542] BUG: scheduling while atomic: syz.2.34/542/0x00000002 [ 43.903286][ T542] Modules linked in: [ 43.908017][ T542] Preemption disabled at: [ 43.908024][ T542] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 43.921912][ T542] CPU: 0 PID: 542 Comm: syz.2.34 Tainted: G W syzkaller #0 [ 43.931116][ T542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 43.941887][ T542] Call Trace: [ 43.945298][ T542] dump_stack_lvl+0x5d/0x75 [ 43.950135][ T542] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 43.957187][ T542] dump_stack+0x10/0x12 [ 43.961699][ T542] __schedule_bug.cold+0x83/0xae [ 43.967466][ T542] __schedule+0x67f/0x730 [ 43.972812][ T542] schedule+0x49/0xe0 [ 43.978208][ T542] io_schedule+0x41/0x70 [ 43.982820][ T542] wait_on_page_bit_common+0x117/0x3f0 [ 43.989087][ T542] ? file_fdatawait_range+0x30/0x30 [ 43.994762][ T542] generic_file_buffered_read+0x651/0xa10 [ 44.001227][ T542] generic_file_read_iter+0xbd/0x120 [ 44.007517][ T542] new_sync_read+0x102/0x180 [ 44.013545][ T542] vfs_read+0x12f/0x190 [ 44.018730][ T542] ksys_read+0x62/0xe0 [ 44.024105][ T542] __x64_sys_read+0x15/0x20 [ 44.028735][ T542] do_syscall_64+0x32/0x50 [ 44.033147][ T542] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.039067][ T542] RIP: 0033:0x7f46d0a99e99 [ 44.043474][ T542] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 44.065409][ T542] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 44.074318][ T542] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 44.083516][ T542] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 44.092157][ T542] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 44.100427][ T542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.108963][ T542] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 44.202194][ T545] erofs: (device loop2): mounted with root inode @ nid 36. [ 44.210255][ T545] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 44.221843][ T545] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 44.232128][ T545] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 44.243242][ T545] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 44.252887][ T545] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 44.262949][ T545] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 44.274875][ T545] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 44.284530][ T545] BUG: scheduling while atomic: syz.2.35/545/0x00000002 [ 44.291435][ T545] Modules linked in: [ 44.295582][ T545] Preemption disabled at: [ 44.295588][ T545] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 44.307852][ T545] CPU: 1 PID: 545 Comm: syz.2.35 Tainted: G W syzkaller #0 [ 44.316922][ T545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 44.328395][ T545] Call Trace: [ 44.332450][ T545] dump_stack_lvl+0x5d/0x75 [ 44.337602][ T545] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 44.344219][ T545] dump_stack+0x10/0x12 [ 44.348615][ T545] __schedule_bug.cold+0x83/0xae [ 44.354974][ T545] __schedule+0x67f/0x730 [ 44.359840][ T545] schedule+0x49/0xe0 [ 44.363987][ T545] io_schedule+0x41/0x70 [ 44.368825][ T545] wait_on_page_bit_common+0x117/0x3f0 [ 44.374710][ T545] ? file_fdatawait_range+0x30/0x30 [ 44.380646][ T545] generic_file_buffered_read+0x651/0xa10 [ 44.386432][ T545] generic_file_read_iter+0xbd/0x120 [ 44.391867][ T545] new_sync_read+0x102/0x180 [ 44.396531][ T545] vfs_read+0x12f/0x190 [ 44.400917][ T545] ksys_read+0x62/0xe0 [ 44.405146][ T545] __x64_sys_read+0x15/0x20 [ 44.409931][ T545] do_syscall_64+0x32/0x50 [ 44.415011][ T545] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.421227][ T545] RIP: 0033:0x7f46d0a99e99 [ 44.425880][ T545] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 44.446898][ T545] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 44.455825][ T545] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 44.464300][ T545] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 44.472780][ T545] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 44.480905][ T545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.489129][ T545] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 44.582329][ T548] erofs: (device loop2): mounted with root inode @ nid 36. [ 44.590576][ T548] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 44.599827][ T548] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 44.609176][ T548] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 44.619207][ T548] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 44.628685][ T548] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 44.638205][ T548] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 44.649801][ T548] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 44.660162][ T548] BUG: scheduling while atomic: syz.2.36/548/0x00000002 [ 44.667320][ T548] Modules linked in: [ 44.671358][ T548] Preemption disabled at: [ 44.671365][ T548] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 44.683493][ T548] CPU: 1 PID: 548 Comm: syz.2.36 Tainted: G W syzkaller #0 [ 44.692418][ T548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 44.703288][ T548] Call Trace: [ 44.706551][ T548] dump_stack_lvl+0x5d/0x75 [ 44.711439][ T548] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 44.717408][ T548] dump_stack+0x10/0x12 [ 44.721542][ T548] __schedule_bug.cold+0x83/0xae [ 44.726525][ T548] __schedule+0x67f/0x730 [ 44.730994][ T548] schedule+0x49/0xe0 [ 44.735583][ T548] io_schedule+0x41/0x70 [ 44.740087][ T548] wait_on_page_bit_common+0x117/0x3f0 [ 44.745742][ T548] ? file_fdatawait_range+0x30/0x30 [ 44.751089][ T548] generic_file_buffered_read+0x651/0xa10 [ 44.757261][ T548] generic_file_read_iter+0xbd/0x120 [ 44.762805][ T548] new_sync_read+0x102/0x180 [ 44.768148][ T548] vfs_read+0x12f/0x190 [ 44.772501][ T548] ksys_read+0x62/0xe0 [ 44.777105][ T548] __x64_sys_read+0x15/0x20 [ 44.782131][ T548] do_syscall_64+0x32/0x50 [ 44.787364][ T548] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.793680][ T548] RIP: 0033:0x7f46d0a99e99 [ 44.798633][ T548] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 44.820129][ T548] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 44.828893][ T548] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 44.837950][ T548] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 44.846658][ T548] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 44.855090][ T548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.864073][ T548] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 44.962366][ T551] erofs: (device loop2): mounted with root inode @ nid 36. [ 44.970912][ T551] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 44.980882][ T551] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 44.990461][ T551] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 44.999689][ T551] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 45.009299][ T551] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 45.019056][ T551] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 45.030404][ T551] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 45.041103][ T551] BUG: scheduling while atomic: syz.2.37/551/0x00000002 [ 45.050180][ T551] Modules linked in: [ 45.054698][ T551] Preemption disabled at: [ 45.054708][ T551] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 45.068248][ T551] CPU: 0 PID: 551 Comm: syz.2.37 Tainted: G W syzkaller #0 [ 45.078831][ T551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 45.091347][ T551] Call Trace: [ 45.094753][ T551] dump_stack_lvl+0x5d/0x75 [ 45.099524][ T551] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 45.105346][ T551] dump_stack+0x10/0x12 [ 45.109792][ T551] __schedule_bug.cold+0x83/0xae [ 45.114896][ T551] __schedule+0x67f/0x730 [ 45.119459][ T551] schedule+0x49/0xe0 [ 45.124293][ T551] io_schedule+0x41/0x70 [ 45.128694][ T551] wait_on_page_bit_common+0x117/0x3f0 [ 45.134405][ T551] ? file_fdatawait_range+0x30/0x30 [ 45.140234][ T551] generic_file_buffered_read+0x651/0xa10 [ 45.146662][ T551] generic_file_read_iter+0xbd/0x120 [ 45.152298][ T551] new_sync_read+0x102/0x180 [ 45.157229][ T551] vfs_read+0x12f/0x190 [ 45.161528][ T551] ksys_read+0x62/0xe0 [ 45.165979][ T551] __x64_sys_read+0x15/0x20 [ 45.170632][ T551] do_syscall_64+0x32/0x50 [ 45.175281][ T551] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 45.181404][ T551] RIP: 0033:0x7f46d0a99e99 [ 45.185878][ T551] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 45.206449][ T551] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 45.214830][ T551] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 45.222951][ T551] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 45.231104][ T551] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 45.239048][ T551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.247449][ T551] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 45.422303][ T554] erofs: (device loop2): mounted with root inode @ nid 36. [ 45.430221][ T554] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 45.440264][ T554] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 45.449973][ T554] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 45.459641][ T554] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 45.469927][ T554] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 45.479476][ T554] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 45.490536][ T554] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 45.499725][ T554] BUG: scheduling while atomic: syz.2.38/554/0x00000002 [ 45.507463][ T554] Modules linked in: [ 45.511576][ T554] Preemption disabled at: [ 45.511585][ T554] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 45.524093][ T554] CPU: 1 PID: 554 Comm: syz.2.38 Tainted: G W syzkaller #0 [ 45.533154][ T554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 45.543947][ T554] Call Trace: [ 45.547910][ T554] dump_stack_lvl+0x5d/0x75 [ 45.552671][ T554] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 45.558546][ T554] dump_stack+0x10/0x12 [ 45.563062][ T554] __schedule_bug.cold+0x83/0xae [ 45.568247][ T554] __schedule+0x67f/0x730 [ 45.572636][ T554] schedule+0x49/0xe0 [ 45.576715][ T554] io_schedule+0x41/0x70 [ 45.580946][ T554] wait_on_page_bit_common+0x117/0x3f0 [ 45.586743][ T554] ? file_fdatawait_range+0x30/0x30 [ 45.593139][ T554] generic_file_buffered_read+0x651/0xa10 [ 45.599602][ T554] generic_file_read_iter+0xbd/0x120 [ 45.605519][ T554] new_sync_read+0x102/0x180 [ 45.610331][ T554] vfs_read+0x12f/0x190 [ 45.614554][ T554] ksys_read+0x62/0xe0 [ 45.618954][ T554] __x64_sys_read+0x15/0x20 [ 45.624026][ T554] do_syscall_64+0x32/0x50 [ 45.628787][ T554] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 45.635642][ T554] RIP: 0033:0x7f46d0a99e99 [ 45.640308][ T554] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 45.662709][ T554] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 45.671939][ T554] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 45.680729][ T554] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 45.689269][ T554] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 45.698588][ T554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.707810][ T554] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 45.812565][ T557] erofs: (device loop2): mounted with root inode @ nid 36. [ 45.821757][ T557] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 45.833369][ T557] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 45.845413][ T557] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 45.855445][ T557] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 45.867964][ T557] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 45.878687][ T557] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 45.892073][ T557] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 45.903138][ T557] BUG: scheduling while atomic: syz.2.39/557/0x00000002 [ 45.911006][ T557] Modules linked in: [ 45.915563][ T557] Preemption disabled at: [ 45.915573][ T557] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 45.927938][ T557] CPU: 0 PID: 557 Comm: syz.2.39 Tainted: G W syzkaller #0 [ 45.937359][ T557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 45.949083][ T557] Call Trace: [ 45.952614][ T557] dump_stack_lvl+0x5d/0x75 [ 45.959101][ T557] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 45.966874][ T557] dump_stack+0x10/0x12 [ 45.973060][ T557] __schedule_bug.cold+0x83/0xae [ 45.979526][ T557] __schedule+0x67f/0x730 [ 45.984628][ T557] schedule+0x49/0xe0 [ 45.990389][ T557] io_schedule+0x41/0x70 [ 45.995431][ T557] wait_on_page_bit_common+0x117/0x3f0 [ 46.002100][ T557] ? file_fdatawait_range+0x30/0x30 [ 46.008223][ T557] generic_file_buffered_read+0x651/0xa10 [ 46.014771][ T557] generic_file_read_iter+0xbd/0x120 [ 46.021252][ T557] new_sync_read+0x102/0x180 [ 46.026117][ T557] vfs_read+0x12f/0x190 [ 46.031014][ T557] ksys_read+0x62/0xe0 [ 46.035869][ T557] __x64_sys_read+0x15/0x20 [ 46.040973][ T557] do_syscall_64+0x32/0x50 [ 46.049151][ T557] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.056462][ T557] RIP: 0033:0x7f46d0a99e99 [ 46.061475][ T557] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 46.083288][ T557] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 46.093045][ T557] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 46.101839][ T557] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 46.110571][ T557] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 46.119446][ T557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.128097][ T557] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 46.262502][ T560] erofs: (device loop2): mounted with root inode @ nid 36. [ 46.270676][ T560] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 46.279852][ T560] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 46.289337][ T560] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 46.298703][ T560] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 46.308108][ T560] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 46.318537][ T560] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 46.332800][ T560] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 46.348238][ T560] BUG: scheduling while atomic: syz.2.40/560/0x00000002 [ 46.356662][ T560] Modules linked in: [ 46.361104][ T560] Preemption disabled at: [ 46.361111][ T560] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 46.375757][ T560] CPU: 1 PID: 560 Comm: syz.2.40 Tainted: G W syzkaller #0 [ 46.386580][ T560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 46.398679][ T560] Call Trace: [ 46.402859][ T560] dump_stack_lvl+0x5d/0x75 [ 46.409319][ T560] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 46.416221][ T560] dump_stack+0x10/0x12 [ 46.421184][ T560] __schedule_bug.cold+0x83/0xae [ 46.426771][ T560] __schedule+0x67f/0x730 [ 46.431718][ T560] schedule+0x49/0xe0 [ 46.436694][ T560] io_schedule+0x41/0x70 [ 46.442079][ T560] wait_on_page_bit_common+0x117/0x3f0 [ 46.448431][ T560] ? file_fdatawait_range+0x30/0x30 [ 46.453690][ T560] generic_file_buffered_read+0x651/0xa10 [ 46.460601][ T560] generic_file_read_iter+0xbd/0x120 [ 46.466687][ T560] new_sync_read+0x102/0x180 [ 46.472135][ T560] vfs_read+0x12f/0x190 [ 46.476533][ T560] ksys_read+0x62/0xe0 [ 46.481548][ T560] __x64_sys_read+0x15/0x20 [ 46.487002][ T560] do_syscall_64+0x32/0x50 [ 46.492184][ T560] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.498542][ T560] RIP: 0033:0x7f46d0a99e99 [ 46.502931][ T560] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 46.524476][ T560] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 46.533463][ T560] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 46.542105][ T560] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 46.551509][ T560] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 46.560888][ T560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.570654][ T560] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 [ 46.662232][ T563] erofs: (device loop2): mounted with root inode @ nid 36. [ 46.670953][ T563] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 46.680974][ T563] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 46.690569][ T563] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 46.702378][ T563] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 46.712261][ T563] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 46.721655][ T563] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 46.734023][ T563] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 46.744915][ T563] BUG: scheduling while atomic: syz.2.41/563/0x00000002 [ 46.753405][ T563] Modules linked in: [ 46.757866][ T563] Preemption disabled at: [ 46.757873][ T563] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 46.771246][ T563] CPU: 1 PID: 563 Comm: syz.2.41 Tainted: G W syzkaller #0 [ 46.780068][ T563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 46.791753][ T563] Call Trace: [ 46.795807][ T563] dump_stack_lvl+0x5d/0x75 [ 46.800991][ T563] ? z_erofs_reload_indexes+0x12f/0x1a0 [ 46.806954][ T563] dump_stack+0x10/0x12 [ 46.811298][ T563] __schedule_bug.cold+0x83/0xae [ 46.816557][ T563] __schedule+0x67f/0x730 [ 46.821051][ T563] schedule+0x49/0xe0 [ 46.825360][ T563] io_schedule+0x41/0x70 [ 46.830083][ T563] wait_on_page_bit_common+0x117/0x3f0 [ 46.836568][ T563] ? file_fdatawait_range+0x30/0x30 [ 46.843680][ T563] generic_file_buffered_read+0x651/0xa10 [ 46.850324][ T563] generic_file_read_iter+0xbd/0x120 [ 46.856111][ T563] new_sync_read+0x102/0x180 [ 46.861634][ T563] vfs_read+0x12f/0x190 [ 46.866519][ T563] ksys_read+0x62/0xe0 [ 46.871881][ T563] __x64_sys_read+0x15/0x20 [ 46.876440][ T563] do_syscall_64+0x32/0x50 [ 46.880999][ T563] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.887741][ T563] RIP: 0033:0x7f46d0a99e99 [ 46.892861][ T563] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 46.914330][ T563] RSP: 002b:00007f46d08fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 46.923872][ T563] RAX: ffffffffffffffda RBX: 00007f46d0d21fa0 RCX: 00007f46d0a99e99 [ 46.932366][ T563] RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000004 [ 46.941442][ T563] RBP: 00007f46d0b2feaf R08: 0000000000000000 R09: 0000000000000000 [ 46.950502][ T563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.959525][ T563] R13: 00007f46d0d22038 R14: 00007f46d0d21fa0 R15: 00007ffdd4515318 2026/11/05 22:53:36 executed programs: 27 [ 47.051827][ T566] erofs: (device loop2): mounted with root inode @ nid 36. [ 47.061906][ T566] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 89 [ 47.073008][ T566] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 89 [ 47.083047][ T566] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 89 [ 47.094519][ T566] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 89 [ 47.105189][ T566] erofs: (device loop2): z_erofs_readahead: readahead error at page 2 @ nid 89 [ 47.117397][ T566] erofs: (device loop2): z_erofs_get_extent_compressedlen: cannot found CBLKCNT @ lcn 1 of nid 89 [ 47.130295][ T566] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 89 [ 47.140893][ T566] BUG: scheduling while atomic: syz.2.42/566/0x00000002 [ 47.148582][ T566] Modules linked in: [ 47.152669][ T566] Preemption disabled at: [ 47.152676][ T566] [] z_erofs_reload_indexes+0x12f/0x1a0 [ 47.165391][ T566] CPU: 1 PID: 566 Comm: syz.2.42 Tainted: G W syzkaller #0 [ 47.174634][ T566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 47.184838][ T566] Call Trace: [ 47.188184][ T566] dump_stack_lvl+0x5d/0x75 [ 47.193478][ T566] ? z_erofs_reload_indexes+0x12f/0x1a0