sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.0/4581 Modules linked in: CPU: 0 UID: 0 PID: 4581 Comm: syz-executor.0 Not tainted 6.18.0-rc4-next-20251104 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:nsproxy_ns_active_get+0x33f/0x3d0 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s Code: ab ff 90 0f 0b 90 eb ee e8 0e dd ab ff 90 0f 0b 90 e9 3f fd ff ff e8 00 dd ab ff 90 0f 0b 90 e9 92 fd ff ff e8 f2 dc ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] RSP: 0018:ffff888016cf7e08 EFLAGS: 00010216 RAX: 0000000000000a61 RBX: ffff88801f8bdea0 RCX: ffffc90000a8f000 RDX: 0000000000040000 RSI: ffffffff81c8ab7e RDI: 0000000000000001 sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present RBP: ffff88801716e001 R08: 0000000000000001 R09: ffffed1002e2dd41 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880172fae00 sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 R13: 0000000000000000 R14: ffff88800f30b780 R15: ffff888016cf7e98 sr 1:0:0:0: [sr0] tag#0 unaligned transfer FS: 00007f24bd265700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f24bd265718 CR3: 0000000018f24000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x3f0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f24bfd12107 sr 1:0:0:0: [sr0] tag#0 unaligned transfer Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 34 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RSP: 002b:00007f24bd265128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RAX: ffffffffffffffda RBX: 00007f24bfe24020 RCX: 00007f24bfd12107 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef sr 1:0:0:0: [sr0] tag#0 unaligned transfer RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer R13: 00007fff64a10fef R14: 00007f24bd265300 R15: 0000000000022000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer irq event stamp: 717 sr 1:0:0:0: [sr0] tag#0 unaligned transfer hardirqs last enabled at (723): [] console_flush_one_record+0x8d7/0xb20 sr 1:0:0:0: [sr0] tag#0 unaligned transfer hardirqs last disabled at (734): [] sysvec_apic_timer_interrupt+0xf/0x80 sr 1:0:0:0: [sr0] tag#0 unaligned transfer softirqs last enabled at (676): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (665): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x35b/0x3d0, CPU#0: syz-executor.0/4581 Modules linked in: CPU: 0 UID: 0 PID: 4581 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251104 #1 PREEMPT(voluntary) sr 1:0:0:0: [sr0] tag#0 unaligned transfer Tainted: [W]=WARN sr 1:0:0:0: [sr0] tag#0 unaligned transfer Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RIP: 0010:nsproxy_ns_active_get+0x35b/0x3d0 Code: 0f 0b 90 e9 92 fd ff ff e8 f2 dc ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff e8 d6 dc ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 c8 dc ab ff 90 0f 0b 90 e9 de fe ff ff sr 1:0:0:0: [sr0] tag#0 unaligned transfer RSP: 0018:ffff888016cf7e08 EFLAGS: 00010246 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RAX: 0000000000040000 RBX: ffff88801f8bdea0 RCX: ffffc90000a8f000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RDX: 0000000000040000 RSI: ffffffff81c8ab9a RDI: 0000000000000001 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RBP: ffff888009486c01 R08: 0000000000000001 R09: ffffed1001290d97 sr 1:0:0:0: [sr0] tag#0 unaligned transfer R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880172fae00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer R13: 0000000000000000 R14: ffff88800f30b780 R15: ffff888016cf7e98 FS: 00007f24bd265700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 sr 1:0:0:0: [sr0] tag#0 unaligned transfer CR2: 00007f24bd265718 CR3: 0000000018f24000 CR4: 0000000000350ef0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x3f0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f24bfd12107 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 34 01 00 00 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:00007f24bd265128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f24bfe24020 RCX: 00007f24bfd12107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff64a10fef R14: 00007f24bd265300 R15: 0000000000022000 irq event stamp: 1957 hardirqs last enabled at (1967): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (2020): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2018): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1975): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 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 EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 524288 (only 16 groups) 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 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 loop6: detected capacity change from 0 to 264192 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 EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 524288 (only 16 groups) loop6: detected capacity change from 0 to 264192 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 06 00 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 loop6: detected capacity change from 0 to 264192 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 73 01 jae 0x3 2: c3 retq 3: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx a: f7 d8 neg %eax c: 64 89 01 mov %eax,%fs:(%rcx) f: 48 83 c8 ff or $0xffffffffffffffff,%rax 13: c3 retq 14: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 1b: 00 00 00 1e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 23: b8 34 01 00 00 mov $0x134,%eax 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W