[ 423.724170][T11925] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 423.727609][T11925] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 423.731090][T11925] OCFS2: ERROR (device loop0): int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *, handle_t *, u32, u32, struct ocfs2_suballoc_result *): Chain allocator dinode 74 has invalid next free chain record 0, but only 0 total [ 423.735310][T11925] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 423.736989][T11925] OCFS2: File system is now read-only. [ 423.737964][T11925] (syz.0.1725,11925,1):ocfs2_claim_suballoc_bits:1993 ERROR: status = -30 [ 423.739404][T11925] (syz.0.1725,11925,1):ocfs2_claim_new_inode:2226 ERROR: status = -30 [ 423.740839][T11925] (syz.0.1725,11925,1):ocfs2_claim_new_inode:2241 ERROR: status = -30 [ 423.742644][T11925] (syz.0.1725,11925,1):ocfs2_mknod_locked:639 ERROR: status = -30 [ 423.743915][T11925] (syz.0.1725,11925,1):ocfs2_mknod:385 ERROR: status = -30 [ 423.745289][T11925] (syz.0.1725,11925,1):ocfs2_mknod:502 ERROR: status = -30 [ 423.746438][T11925] (syz.0.1725,11925,1):ocfs2_mkdir:659 ERROR: status = -30 [ 423.753462][ T9856] ocfs2: Unmounting device (7,0) on (node local) [ 423.899097][T11929] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 423.902629][T11929] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 423.906356][T11929] OCFS2: ERROR (device loop0): int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *, handle_t *, u32, u32, struct ocfs2_suballoc_result *): Chain allocator dinode 74 has invalid next free chain record 0, but only 0 total [ 423.910125][T11929] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 423.911891][T11929] OCFS2: File system is now read-only. [ 423.912995][T11929] (syz.0.1726,11929,0):ocfs2_claim_suballoc_bits:1993 ERROR: status = -30 [ 423.914297][T11929] (syz.0.1726,11929,0):ocfs2_claim_new_inode:2226 ERROR: status = -30 [ 423.915744][T11929] (syz.0.1726,11929,0):ocfs2_claim_new_inode:2241 ERROR: status = -30 [ 423.917242][T11929] (syz.0.1726,11929,0):ocfs2_mknod_locked:639 ERROR: status = -30 [ 423.918550][T11929] (syz.0.1726,11929,0):ocfs2_mknod:385 ERROR: status = -30 [ 423.919855][T11929] (syz.0.1726,11929,0):ocfs2_mknod:502 ERROR: status = -30 [ 423.921133][T11929] (syz.0.1726,11929,0):ocfs2_mkdir:659 ERROR: status = -30 [ 423.928758][ T9856] ocfs2: Unmounting device (7,0) on (node local) [ 424.049183][T11933] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 424.060582][T11933] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 424.063400][T11933] OCFS2: ERROR (device loop0): int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *, handle_t *, u32, u32, struct ocfs2_suballoc_result *): Chain allocator dinode 74 has invalid next free chain record 0, but only 0 total [ 424.067083][T11933] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 424.068760][T11933] OCFS2: File system is now read-only. [ 424.069692][T11933] (syz.0.1727,11933,0):ocfs2_claim_suballoc_bits:1993 ERROR: status = -30 [ 424.071185][T11933] (syz.0.1727,11933,0):ocfs2_claim_new_inode:2226 ERROR: status = -30 [ 424.073065][T11933] (syz.0.1727,11933,0):ocfs2_claim_new_inode:2241 ERROR: status = -30 [ 424.074364][T11933] (syz.0.1727,11933,0):ocfs2_mknod_locked:639 ERROR: status = -30 [ 424.075642][T11933] (syz.0.1727,11933,0):ocfs2_mknod:385 ERROR: status = -30 [ 424.077025][T11933] (syz.0.1727,11933,0):ocfs2_mknod:502 ERROR: status = -30 [ 424.078107][T11933] (syz.0.1727,11933,0):ocfs2_mkdir:659 ERROR: status = -30 [ 424.083953][ T9856] ocfs2: Unmounting device (7,0) on (node local) [ 424.279262][T11937] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 424.282831][T11937] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 424.285590][T11937] OCFS2: ERROR (device loop0): int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *, handle_t *, u32, u32, struct ocfs2_suballoc_result *): Chain allocator dinode 74 has invalid next free chain record 0, but only 0 total [ 424.289372][T11937] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 424.290913][T11937] OCFS2: File system is now read-only. [ 424.292189][T11937] (syz.0.1728,11937,1):ocfs2_claim_suballoc_bits:1993 ERROR: status = -30 [ 424.293568][T11937] (syz.0.1728,11937,1):ocfs2_claim_new_inode:2226 ERROR: status = -30 [ 424.294909][T11937] (syz.0.1728,11937,1):ocfs2_claim_new_inode:2241 ERROR: status = -30 [ 424.296102][T11937] (syz.0.1728,11937,1):ocfs2_mknod_locked:639 ERROR: status = -30 [ 424.297471][T11937] (syz.0.1728,11937,1):ocfs2_mknod:385 ERROR: status = -30 [ 424.298635][T11937] (syz.0.1728,11937,1):ocfs2_mknod:502 ERROR: status = -30 [ 424.299827][T11937] (syz.0.1728,11937,1):ocfs2_mkdir:659 ERROR: status = -30 [ 424.305680][ T9856] ocfs2: Unmounting device (7,0) on (node local) [ 424.455539][T11941] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 424.462986][T11941] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 424.465803][T11941] OCFS2: ERROR (device loop0): int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *, handle_t *, u32, u32, struct ocfs2_suballoc_result *): Chain allocator dinode 74 has invalid next free chain record 0, but only 0 total [ 424.469830][T11941] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 424.471908][T11941] OCFS2: File system is now read-only. [ 424.472739][T11941] (syz.0.1729,11941,0):ocfs2_claim_suballoc_bits:1993 ERROR: status = -30 [ 424.474171][T11941] (syz.0.1729,11941,0):ocfs2_claim_new_inode:2226 ERROR: status = -30 [ 424.475610][T11941] (syz.0.1729,11941,0):ocfs2_claim_new_inode:2241 ERROR: status = -30 [ 424.477003][T11941] (syz.0.1729,11941,0):ocfs2_mknod_locked:639 ERROR: status = -30 [ 424.478428][T11941] (syz.0.1729,11941,0):ocfs2_mknod:385 ERROR: status = -30 [ 424.479750][T11941] (syz.0.1729,11941,0):ocfs2_mknod:502 ERROR: status = -30 [ 424.481013][T11941] (syz.0.1729,11941,0):ocfs2_mkdir:659 ERROR: status = -30 [ 424.487139][ T9856] ocfs2: Unmounting device (7,0) on (node local) [ 424.590336][T11945] set_capacity_and_notify: 15 callbacks suppressed [ 424.590348][T11945] loop0: detected capacity change from 0 to 32768 [ 424.677944][T11945] (syz.0.1730,11945,1):ocfs2_initialize_super:2313 ERROR: status = -12 [ 424.679443][T11945] (syz.0.1730,11945,1):ocfs2_fill_super:1177 ERROR: status = -12 [ 425.374600][ T9883] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 425.414436][ T9883] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 425.464489][ T9883] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 425.515131][ T9883] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 427.057852][ T9883] device hsr_slave_0 left promiscuous mode [ 427.091697][ T9883] device hsr_slave_1 left promiscuous mode [ 427.171578][ T9883] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 427.172806][ T9883] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 427.174307][ T9883] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 427.175520][ T9883] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 427.176927][ T9883] device bridge_slave_1 left promiscuous mode [ 427.177937][ T9883] bridge0: port 2(bridge_slave_1) entered disabled state [ 427.232055][ T9883] device bridge_slave_0 left promiscuous mode [ 427.233108][ T9883] bridge0: port 1(bridge_slave_0) entered disabled state [ 427.351905][ T9883] device veth1_macvtap left promiscuous mode [ 427.352982][ T9883] device veth0_macvtap left promiscuous mode [ 427.354136][ T9883] device veth1_vlan left promiscuous mode [ 427.355085][ T9883] device veth0_vlan left promiscuous mode [ 427.434478][ T9883] team0 (unregistering): Port device team_slave_1 removed [ 427.438539][ T9883] team0 (unregistering): Port device team_slave_0 removed [ 427.443864][ T9883] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 427.485302][ T9883] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 427.625128][ T9883] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.234' (ED25519) to the list of known hosts. executing program [ 429.030669][T12079] loop0: detected capacity change from 0 to 32768 [ 429.040189][T12079] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 429.041500][T12079] Modules linked in: [ 429.042193][T12079] CPU: 1 PID: 12079 Comm: syz-executor109 Not tainted syzkaller #0 [ 429.043496][T12079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 429.045379][T12079] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 429.046697][T12079] pc : __arm64_sys_mount+0x2f0/0x5f0 [ 429.047589][T12079] lr : __arm64_sys_mount+0x2cc/0x5f0 [ 429.048515][T12079] sp : ffff8000216b7c80 [ 429.049200][T12079] x29: ffff8000216b7d20 x28: 0000000000400100 x27: 00000000fffffff2 [ 429.050457][T12079] x26: 0000000000000d60 x25: 0000000000000000 x24: 0000fffffc93a2a0 [ 429.051887][T12079] x23: ffff0000ecad0000 x22: 0000fffffc93b000 x21: dfff800000000000 [ 429.053280][T12079] x20: 00000000fffffd60 x19: 0000000000000000 x18: 0000000000000000 [ 429.054660][T12079] x17: 0000000000000000 x16: ffff80000896e310 x15: 0000000000000000 [ 429.055915][T12079] x14: 0000000000000000 x13: 1ffff0000285402b x12: 0000000000ff0100 [ 429.057265][T12079] x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000fffffc93b000 [ 429.058538][T12079] x8 : 0000fffffc93b000 x7 : ffff800008758eb0 x6 : 0000000000000000 [ 429.059900][T12079] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 429.061234][T12079] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 429.062588][T12079] Call trace: [ 429.063095][T12079] __arm64_sys_mount+0x2f0/0x5f0 [ 429.063924][T12079] invoke_syscall+0x98/0x2b0 [ 429.064629][T12079] el0_svc_common+0x138/0x258 [ 429.065434][T12079] do_el0_svc+0x58/0x13c [ 429.066166][T12079] el0_svc+0x78/0x1d0 [ 429.066831][T12079] el0t_64_sync_handler+0xcc/0xe4 [ 429.067692][T12079] el0t_64_sync+0x1a0/0x1a4 [ 429.068439][T12079] Code: d503229f 2a1903fb 2a1903e0 38400933 (2a1b03e1) [ 429.069619][T12079] ---[ end trace 2637bb60289ad017 ]--- [ 429.342901][T12079] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 429.344194][T12079] SMP: stopping secondary CPUs [ 429.344962][T12079] Kernel Offset: disabled [ 429.345666][T12079] CPU features: 0x8,000003c1,7d33ffd9 [ 429.346576][T12079] Memory Limit: none [ 429.644124][T12079] Rebooting in 86400 seconds..