sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 3, async page read ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13167 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 0 UID: 0 PID: 13167 Comm: syz-executor.3 Not tainted 6.13.0-rc1-next-20241206 #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 0c 44 a3 00 e8 f7 cd 6d fd 90 <0f> 0b 90 eb 93 e8 ec cd 6d fd 0f b6 2d 99 e7 38 02 31 ff 89 ee e8 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RSP: 0018:ffff888009d4fc20 EFLAGS: 00010216 I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 RAX: 0000000000016b3a RBX: ffff88802e7cdc00 RCX: ffffc9000300f000 Buffer I/O error on dev sr0, logical block 4, async page read RDX: 0000000000040000 RSI: ffffffff840412d9 RDI: 0000000000000005 RBP: ffff88803a906000 R08: 0000000000000000 R09: ffffed1005cf9ba8 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88802e7ce400 R14: ffff88802e7cdc00 R15: fffffbfff0c50f58 FS: 00007f8d4a47a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8eca4bf998 CR3: 000000004158e000 CR4: 0000000000350ef0 Call Trace: sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 5, async page read ipmr_net_exit_batch+0x53/0xa0 ops_exit_list+0x12b/0x180 setup_net+0x492/0x7a0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 6, async page read copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x46a/0xa10 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 7, async page read __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8d4cf46b19 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:00007f8d4a47a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f8d4d05a0e0 RCX: 00007f8d4cf46b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000042000000 RBP: 00007f8d4cfa0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffed1cd722f R14: 00007f8d4a47a300 R15: 0000000000022000 irq event stamp: 5815 hardirqs last enabled at (5825): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (5836): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (5624): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (5617): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer