loop6: detected capacity change from 0 to 255 loop5: detected capacity change from 0 to 16127 ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#1: syz-executor.3/13190 Modules linked in: CPU: 1 UID: 0 PID: 13190 Comm: syz-executor.3 Not tainted 6.18.0-rc4-next-20251107 #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+0x323/0x3d0 Code: 00 01 0f 98 c3 31 ff 89 de e8 29 1f ab ff 84 db 75 07 5b 5d e9 4e 24 ab ff e8 49 24 ab ff 90 0f 0b 90 eb ee e8 3e 24 ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 0f 0b 90 e9 92 fd ff ff RSP: 0018:ffff88804ab4fe08 EFLAGS: 00010212 RAX: 0000000000000d1d RBX: ffff88800bc673a8 RCX: ffffc90008831000 RDX: 0000000000040000 RSI: ffffffff81c9aaf2 RDI: 0000000000000001 RBP: ffff88800db14401 R08: 0000000000000001 R09: ffffed1001b62897 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016797500 R13: 0000000000000000 R14: ffff88804c5e3780 R15: ffff88804ab4fe98 FS: 00007fe67791b700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcf081e4004 CR3: 000000000e139000 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: 0033:0x7fe67a3a7107 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:00007fe67791b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007fe67a4b8f60 RCX: 00007fe67a3a7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc29807bdf R14: 00007fe67791b300 R15: 0000000000022000 irq event stamp: 647 hardirqs last enabled at (655): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (664): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (354): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (683): [] __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#1: syz-executor.3/13190 Modules linked in: CPU: 1 UID: 0 PID: 13190 Comm: syz-executor.3 Tainted: G W 6.18.0-rc4-next-20251107 #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 4e 24 ab ff e8 49 24 ab ff 90 0f 0b 90 eb ee e8 3e 24 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 22 24 ab ff 90 0f 0b 90 e9 e5 fd ff ff RSP: 0018:ffff88804ab4fe08 EFLAGS: 00010216 RAX: 000000000001c4f1 RBX: ffff88800bc673a8 RCX: ffffc90008831000 RDX: 0000000000040000 RSI: ffffffff81c9ab00 RDI: 0000000000000001 RBP: ffff88800cdc4801 R08: 0000000000000001 R09: ffffed10019b895b R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016797500 R13: 0000000000000000 R14: ffff88804c5e3780 R15: ffff88804ab4fe98 FS: 00007fe67791b700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcf081e4004 CR3: 000000000e139000 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: 0033:0x7fe67a3a7107 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:00007fe67791b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007fe67a4b8f60 RCX: 00007fe67a3a7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc29807bdf R14: 00007fe67791b300 R15: 0000000000022000 irq event stamp: 1065 hardirqs last enabled at (1075): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1084): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (688): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (683): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.3/13190 Modules linked in: CPU: 1 UID: 0 PID: 13190 Comm: syz-executor.3 Tainted: G W 6.18.0-rc4-next-20251107 #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+0x33f/0x3d0 Code: ab ff 90 0f 0b 90 eb ee e8 3e 24 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 22 24 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 14 24 ab ff 90 0f 0b 90 e9 38 fe ff ff RSP: 0018:ffff88804ab4fe08 EFLAGS: 00010216 RAX: 000000000003864f RBX: ffff88800bc673a8 RCX: ffffc90008831000 RDX: 0000000000040000 RSI: ffffffff81c9ab0e RDI: 0000000000000001 RBP: ffff88801547a001 R08: 0000000000000001 R09: ffffed1002a8f541 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016797500 R13: 0000000000000000 R14: ffff88804c5e3780 R15: ffff88804ab4fe98 FS: 00007fe67791b700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcf081e4004 CR3: 000000000e139000 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: 0033:0x7fe67a3a7107 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:00007fe67791b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007fe67a4b8f60 RCX: 00007fe67a3a7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc29807bdf R14: 00007fe67791b300 R15: 0000000000022000 irq event stamp: 1521 hardirqs last enabled at (1529): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1540): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1442): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1437): [] __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#1: syz-executor.3/13190 Modules linked in: CPU: 1 UID: 0 PID: 13190 Comm: syz-executor.3 Tainted: G W 6.18.0-rc4-next-20251107 #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 22 24 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 14 24 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 06 24 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 f8 23 ab ff 90 0f 0b 90 e9 de fe ff ff RSP: 0018:ffff88804ab4fe08 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88800bc673a8 RCX: ffffc90008831000 RDX: 0000000000040000 RSI: ffffffff81c9ab2a RDI: 0000000000000001 RBP: ffff88800948be01 R08: 0000000000000001 R09: ffffed10012917d7 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016797500 R13: 0000000000000000 R14: ffff88804c5e3780 R15: ffff88804ab4fe98 FS: 00007fe67791b700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcf081e4004 CR3: 000000000e139000 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: 0033:0x7fe67a3a7107 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:00007fe67791b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007fe67a4b8f60 RCX: 00007fe67a3a7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc29807bdf R14: 00007fe67791b300 R15: 0000000000022000 irq event stamp: 1949 hardirqs last enabled at (1957): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1968): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1442): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1437): [] __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.3/13190 Modules linked in: CPU: 1 UID: 0 PID: 13190 Comm: syz-executor.3 Tainted: G W 6.18.0-rc4-next-20251107 #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 14 24 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 06 24 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 f8 23 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 ea 23 ab ff 90 0f 0b 90 e9 31 ff ff ff RSP: 0018:ffff88804ab4fe08 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88800bc67068 RCX: ffffc90008831000 RDX: 0000000000040000 RSI: ffffffff81c9ab38 RDI: 0000000000000001 RBP: ffff888013f54801 R08: 0000000000000001 R09: ffffed10027ea95a R10: 0000000000000001 R11: 0000000000000001 R12: ffff888007737c00 R13: 0000000000000000 R14: ffff88804c5e3780 R15: ffff88804ab4fe98 FS: 00007fe67791b700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000e139000 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: 0033:0x7fe67a3a7107 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:00007fe67791b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe67a3a7107 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe67791b6bc R13: 000000000000000e R14: 00007fe67791b300 R15: 0000000000022000 irq event stamp: 2455 hardirqs last enabled at (2465): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (2474): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2444): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2439): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]---