loop3: detected capacity change from 0 to 128 ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.5/4145 Modules linked in: CPU: 0 UID: 0 PID: 4145 Comm: syz-executor.5 Not tainted 6.18.0-rc4-next-20251106 #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 Code: ab ff 90 0f 0b 90 eb ee e8 de a2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 d0 a2 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 c2 a2 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 b4 a2 ab ff 90 0f 0b 90 e9 38 fe ff ff RSP: 0018:ffff88801bc97e08 EFLAGS: 00010216 RAX: 0000000000001472 RBX: ffff88800d9e5820 RCX: ffffc900043fb000 RDX: 0000000000040000 RSI: ffffffff81c92b5e RDI: 0000000000000001 RBP: ffff88800dc96001 R08: 0000000000000001 R09: ffffed1001b92d41 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880163508c0 R13: 0000000000000000 R14: ffff88800a5a0000 R15: ffff88801bc97e98 FS: 00007f1d21ff0700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d421000 CR3: 000000001f3e8000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1d24a7c107 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:00007f1d21ff0128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f1d24b8df60 RCX: 00007f1d24a7c107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdfa2b8af R14: 00007f1d21ff0300 R15: 0000000000022000 irq event stamp: 561 hardirqs last enabled at (569): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (578): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (294): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (289): [] __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.5/4145 Modules linked in: CPU: 0 UID: 0 PID: 4145 Comm: syz-executor.5 Tainted: G W 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:nsproxy_ns_active_get+0x35b/0x3d0 Code: 0f 0b 90 e9 92 fd ff ff e8 c2 a2 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 b4 a2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 a6 a2 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 98 a2 ab ff 90 0f 0b 90 e9 de fe ff ff RSP: 0018:ffff88801bc97e08 EFLAGS: 00010216 RAX: 000000000001df6d RBX: ffff88800d9e5820 RCX: ffffc900043fb000 RDX: 0000000000040000 RSI: ffffffff81c92b7a RDI: 0000000000000001 RBP: ffff8880094e5801 R08: 0000000000000001 R09: ffffed100129cb17 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880163508c0 R13: 0000000000000000 R14: ffff88800a5a0000 R15: ffff88801bc97e98 FS: 00007f1d21ff0700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d421000 CR3: 000000001f3e8000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1d24a7c107 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:00007f1d21ff0128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f1d24b8df60 RCX: 00007f1d24a7c107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdfa2b8af R14: 00007f1d21ff0300 R15: 0000000000022000 irq event stamp: 949 hardirqs last enabled at (959): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (966): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (294): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (289): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop3: detected capacity change from 0 to 264192 msdos: Unknown parameter 'uid>00000000000000000000' random: crng reseeded on system resumption loop0: detected capacity change from 0 to 128 loop3: detected capacity change from 0 to 128 loop3: detected capacity change from 0 to 264192 msdos: Unknown parameter 'uid>00000000000000000000' loop0: detected capacity change from 0 to 264192 msdos: Unknown parameter 'uid>00000000000000000000' ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#0: syz-executor.5/4155 Modules linked in: CPU: 0 UID: 0 PID: 4155 Comm: syz-executor.5 Tainted: G W 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:nsproxy_ns_active_get+0x323/0x3d0 Code: 00 01 0f 98 c3 31 ff 89 de e8 c9 9d ab ff 84 db 75 07 5b 5d e9 ee a2 ab ff e8 e9 a2 ab ff 90 0f 0b 90 eb ee e8 de a2 ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 d0 a2 ab ff 90 0f 0b 90 e9 92 fd ff ff RSP: 0018:ffff88800ce3fe08 EFLAGS: 00010212 RAX: 0000000000000d1a RBX: ffff88800d9e5a28 RCX: ffffc900043fb000 RDX: 0000000000040000 RSI: ffffffff81c92b42 RDI: 0000000000000001 RBP: ffff888018794001 R08: 0000000000000001 R09: ffffed10030f2817 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880163508c0 R13: 0000000000000000 R14: ffff88801f18d340 R15: ffff88800ce3fe98 FS: 00007f1d21ff0700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555573077c98 CR3: 000000001f0f8000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1d24a7c107 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:00007f1d21ff0128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f1d24b8df60 RCX: 00007f1d24a7c107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdfa2b8af R14: 00007f1d21ff0300 R15: 0000000000022000 irq event stamp: 1199 hardirqs last enabled at (1207): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1218): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (956): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (661): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x331/0x3d0, CPU#0: syz-executor.5/4155 Modules linked in: CPU: 0 UID: 0 PID: 4155 Comm: syz-executor.5 Tainted: G W 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:nsproxy_ns_active_get+0x331/0x3d0 Code: 84 db 75 07 5b 5d e9 ee a2 ab ff e8 e9 a2 ab ff 90 0f 0b 90 eb ee e8 de a2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 d0 a2 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 c2 a2 ab ff 90 0f 0b 90 e9 e5 fd ff ff RSP: 0018:ffff88800ce3fe08 EFLAGS: 00010202 RAX: 000000000001c2e0 RBX: ffff88800d9e5a28 RCX: ffffc900043fb000 RDX: 0000000000040000 RSI: ffffffff81c92b50 RDI: 0000000000000001 RBP: ffff88801a460801 R08: 0000000000000001 R09: ffffed100348c15b R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880163508c0 R13: 0000000000000000 R14: ffff88801f18d340 R15: ffff88800ce3fe98 FS: 00007f1d21ff0700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555573077c98 CR3: 000000001f0f8000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1d24a7c107 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:00007f1d21ff0128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f1d24b8df60 RCX: 00007f1d24a7c107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdfa2b8af R14: 00007f1d21ff0300 R15: 0000000000022000 irq event stamp: 1605 hardirqs last enabled at (1613): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1622): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1340): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1335): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x369/0x3d0, CPU#1: syz-executor.5/4155 Modules linked in: CPU: 1 UID: 0 PID: 4155 Comm: syz-executor.5 Tainted: G W 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:nsproxy_ns_active_get+0x369/0x3d0 Code: 0f 0b 90 e9 e5 fd ff ff e8 b4 a2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 a6 a2 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 98 a2 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 8a a2 ab ff 90 0f 0b 90 e9 31 ff ff ff RSP: 0018:ffff88800ce3fe08 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88801f1c5548 RCX: ffffc900043fb000 RDX: 0000000000040000 RSI: ffffffff81c92b88 RDI: 0000000000000001 RBP: ffff888016adc801 R08: 0000000000000001 R09: ffffed1002d5b95a R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801de7d6c0 R13: 0000000000000000 R14: ffff88801f18d340 R15: ffff88800ce3fe98 FS: 00007f1d21ff0700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020123000 CR3: 000000001f0f8000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1d24a7c107 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:00007f1d21ff0128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1d24a7c107 RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d21ff06bc R13: 000000000000000e R14: 00007f1d21ff0300 R15: 0000000000022000 irq event stamp: 4871 hardirqs last enabled at (4913): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (4984): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (5030): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4993): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop3: detected capacity change from 0 to 128 loop0: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 128 loop7: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 264192 msdos: Unknown parameter 'uid>00000000000000000000' loop0: detected capacity change from 0 to 264192 msdos: Unknown parameter 'uid>00000000000000000000' loop7: detected capacity change from 0 to 264192 msdos: Unknown parameter 'uid>00000000000000000000' loop5: detected capacity change from 0 to 64 FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop0: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 128 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 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 3 prio class 2 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 2 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 2 Buffer I/O error on dev sr0, logical block 1, async page read loop3: detected capacity change from 0 to 128 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 2, async page read loop4: detected capacity change from 0 to 264192 msdos: Unknown parameter 'uid>00000000000000000000' loop7: detected capacity change from 0 to 128 loop3: detected capacity change from 0 to 264192 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 2 Buffer I/O error on dev sr0, logical block 3, async page read msdos: Unknown parameter 'uid>00000000000000000000' sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 4, async page read loop7: detected capacity change from 0 to 264192 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 2 Buffer I/O error on dev sr0, logical block 5, async page read msdos: Unknown parameter 'uid>00000000000000000000' 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 2 Buffer I/O error on dev sr0, logical block 6, async page read 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 2 Buffer I/O error on dev sr0, logical block 7, async page read 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 2 Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer 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 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