Buffer I/O error on dev loop5, logical block 31, lost async page write ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10138 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 1 UID: 0 PID: 10138 Comm: syz-executor.4 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ipmr_rules_exit+0x13a/0x1c0 Code: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 00 08 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 5c 80 a3 00 e8 47 df 6a fd 90 <0f> 0b 90 eb 93 e8 3c df 6a fd 0f b6 2d 1d 26 36 02 31 ff 89 ee e8 RSP: 0018:ffff88803d4bf8b8 EFLAGS: 00010212 RAX: 00000000000177a9 RBX: ffff88803bdec500 RCX: ffffc900007f3000 RDX: 0000000000040000 RSI: ffffffff8406ea09 RDI: 0000000000000005 RBP: ffff888031b0a000 R08: 0000000000000000 R09: ffffed10077bd8c9 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88803bdecd00 R14: ffff88803bdec500 R15: fffffbfff0c51178 FS: 00007f1d709b7700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5ec793af64 CR3: 000000003eae4000 CR4: 0000000000350ef0 Call Trace: ipmr_net_exit_batch+0x53/0xa0 ops_exit_list+0x12b/0x180 setup_net+0x492/0x7a0 copy_net_ns+0x2e3/0x700 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x26c0/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1d73441b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1d709b7188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f1d73554f60 RCX: 00007f1d73441b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f1d7349bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffff176e77f R14: 00007f1d709b7300 R15: 0000000000022000 irq event stamp: 13795 hardirqs last enabled at (13807): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (13816): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (13520): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (13515): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 10157 Comm: syz-executor.2 Tainted: G W 6.13.0-rc3-next-20241220 #1 Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4d7/0x5e0 should_failslab+0xc2/0x120 __kmalloc_noprof+0xb5/0x4b0 security_prepare_creds+0x101/0x160 prepare_creds+0x54e/0x760 selinux_lsm_setattr+0x2aa/0x940 selinux_setprocattr+0x43/0x70 security_setprocattr+0x148/0x1a0 proc_pid_attr_write+0x335/0x7a0 vfs_write+0x2bc/0x10b0 ksys_write+0x122/0x240 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fef05639b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fef02baf188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fef0574cf60 RCX: 00007fef05639b19 RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00007fef02baf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd80bcf6ef R14: 00007fef02baf300 R15: 0000000000022000 loop3: detected capacity change from 0 to 1 FAT-fs (loop3): bogus number of FAT sectors FAT-fs (loop3): Can't find a valid FAT filesystem loop5: detected capacity change from 0 to 40 syz-executor.6 (10140) used greatest stack depth: 21616 bytes left