ieee802154 phy0 wpan0: encryption failed: -22 ------------[ cut here ]------------ WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.6/281 Modules linked in: CPU: 1 UID: 0 PID: 281 Comm: syz-executor.6 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mntput_no_expire+0x78e/0xbe0 Code: 05 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42 RSP: 0018:ffff88803849fce0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff11007093fa1 RCX: ffffffff81bfaf93 RDX: ffff8880143ab700 RSI: ffffffff81bfaf9d RDI: 0000000000000005 RBP: ffff88800cf3d180 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88803849fd48 R13: 00000000ffffffff R14: ffff88800cf3d180 R15: ffff88800cf3d268 FS: 000055556b807400(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc1a3afb018 CR3: 0000000038db2000 CR4: 0000000000350ef0 Call Trace: path_umount+0x6e0/0x1100 __x64_sys_umount+0x15c/0x190 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f04ebb9ef87 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 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:00007fffb1e94308 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 0000000000000111 RCX: 00007f04ebb9ef87 RDX: 000000000000000c RSI: 000000000000000a RDI: 00007fffb1e95490 RBP: 00007fffb1e9546c R08: 0000000000000000 R09: 00007f04ebc8d000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f04ebbf7105 R13: 00007fffb1e95490 R14: 0000000000000004 R15: 00007fffb1e954d0 irq event stamp: 774165 hardirqs last enabled at (774175): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (774184): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (773890): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (773885): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ------------[ cut here ]------------ WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.6/281 Modules linked in: CPU: 0 UID: 0 PID: 281 Comm: syz-executor.6 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mntput_no_expire+0x78e/0xbe0 Code: 05 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42 RSP: 0018:ffff88803849fce0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff11007093fa1 RCX: ffffffff81bfaf93 RDX: ffff8880143ab700 RSI: ffffffff81bfaf9d RDI: 0000000000000005 RBP: ffff88800e417500 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88803849fd48 R13: 00000000ffffffff R14: ffff88800e417500 R15: ffff88800e4175e8 FS: 000055556b807400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffb1e9432c CR3: 0000000038db2000 CR4: 0000000000350ef0 Call Trace: path_umount+0x6e0/0x1100 __x64_sys_umount+0x15c/0x190 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f04ebb9ef87 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 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:00007fffb1e94308 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 0000000000000113 RCX: 00007f04ebb9ef87 RDX: 000000000000000c RSI: 000000000000000a RDI: 00007fffb1e95490 RBP: 00007fffb1e9546c R08: 0000000000000000 R09: 00007f04ebc8d000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f04ebbf7105 R13: 00007fffb1e95490 R14: 0000000000000004 R15: 00007fffb1e954d0 irq event stamp: 779777 hardirqs last enabled at (779785): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (779794): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (779738): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (779681): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ieee802154 phy0 wpan0: encryption failed: -22 Zero length message leads to an empty skb 9pnet: Could not find request transport: rdma 9pnet: Could not find request transport: rdma audit: type=1400 audit(1756715573.321:15): avc: denied { watch_reads } for pid=6509 comm="syz-executor.5" path="/syzkaller-testdir962196724/syzkaller.B3TZZQ/146/file0" dev="hugetlbfs" ino=13805 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:hugetlbfs_t:s0 tclass=dir permissive=1 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 40 00 blk_print_req_error: 67 callbacks suppressed I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 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_io_error: 70 callbacks suppressed Buffer I/O error on dev sr0, logical block 0, async page read kmemleak: Found object by alias at 0x607f1a63ea90 CPU: 0 UID: 0 PID: 6526 Comm: syz-executor.5 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 futex_hash_free+0x38/0xc0 mmput+0x2d3/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 __x64_sys_exit_group+0x3e/0x50 x64_sys_call+0x18c5/0x18d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f111d36db19 Code: Unable to access opcode bytes at 0x7f111d36daef. RSP: 002b:00007fff7e1e8608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f111d36db19 RDX: 00007f111d32072b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2cd2d630 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff7e1e86f0 kmemleak: Object (percpu) 0x607f1a63ea8c (size 8): kmemleak: comm "syz-executor.3", pid 6527, jiffies 4294820053 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 alloc_vfsmnt+0x135/0x6e0 vfs_create_mount.part.0+0x40/0x440 fc_mount_longterm+0x126/0x160 mq_init_ns+0x42e/0x630 copy_ipcs+0x38d/0x630 create_new_namespaces+0x210/0xab0 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f sr 1:0:0:0: [sr0] tag#0 unaligned transfer kmemleak: Cannot insert 0x607f1a63ea90 into the object search tree (overlaps existing) CPU: 0 UID: 0 PID: 6527 Comm: syz-executor.3 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __link_object+0x190/0x210 __create_object+0x48/0x80 pcpu_alloc_noprof+0x87a/0x1170 __percpu_counter_init_many+0x44/0x360 msg_init_ns+0x120/0x1a0 copy_ipcs+0x4cb/0x630 create_new_namespaces+0x210/0xab0 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4fd9722b19 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:00007f4fd6c98188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f4fd9835f60 RCX: 00007f4fd9722b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000008040480 RBP: 00007f4fd977cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeee8f147f R14: 00007f4fd6c98300 R15: 0000000000022000 kmemleak: Kernel memory leak detector disabled kmemleak: Object (percpu) 0x607f1a63ea8c (size 8): kmemleak: comm "syz-executor.3", pid 6527, jiffies 4294820053 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 alloc_vfsmnt+0x135/0x6e0 vfs_create_mount.part.0+0x40/0x440 fc_mount_longterm+0x126/0x160 mq_init_ns+0x42e/0x630 copy_ipcs+0x38d/0x630 create_new_namespaces+0x210/0xab0 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f 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 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 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 9pnet: Could not find request transport: rdma 9pnet: Could not find request transport: rdma 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 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 kmemleak: Automatic memory scanning thread ended 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 kmemleak: Found object by alias at 0x607f1a63ea90 CPU: 0 UID: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: events free_ipc Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 percpu_counter_destroy_many+0x188/0x2b0 free_ipc+0x189/0x2b0 process_one_work+0x8e1/0x19c0 worker_thread+0x67e/0xe90 kthread+0x3c8/0x740 ret_from_fork+0x34b/0x430 ret_from_fork_asm+0x1a/0x30 kmemleak: Object (percpu) 0x607f1a63ea8c (size 8): kmemleak: comm "syz-executor.3", pid 6527, jiffies 4294820053 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 alloc_vfsmnt+0x135/0x6e0 vfs_create_mount.part.0+0x40/0x440 fc_mount_longterm+0x126/0x160 mq_init_ns+0x42e/0x630 copy_ipcs+0x38d/0x630 create_new_namespaces+0x210/0xab0 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f 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 9pnet: Could not find request transport: rdma 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 40 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer 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 9pnet: Could not find request transport: rdma 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 ------------[ cut here ]------------ WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.4/6573 Modules linked in: CPU: 0 UID: 0 PID: 6573 Comm: syz-executor.4 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mntput_no_expire+0x78e/0xbe0 Code: 05 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42 RSP: 0018:ffff888016c87c00 EFLAGS: 00010216 RAX: 0000000000000289 RBX: 1ffff11002d90f85 RCX: ffffc9000823e000 RDX: 0000000000040000 RSI: ffffffff81bfaf9d RDI: 0000000000000005 RBP: ffff8880437ba700 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888016c87c68 R13: 00000000ffffffff R14: dead000000000100 R15: ffff8880437ba700 FS: 00007f79f9019700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d22a000 CR3: 00000000445db000 CR4: 0000000000350ef0 Call Trace: namespace_unlock+0x7f1/0x810 path_umount+0x6a4/0x1100 __x64_sys_umount+0x15c/0x190 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f79fbaa3b19 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:00007f79f9019188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 00007f79fbbb6f60 RCX: 00007f79fbaa3b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 00007f79fbafdf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe705313ef R14: 00007f79f9019300 R15: 0000000000022000 irq event stamp: 701 hardirqs last enabled at (709): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (718): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (292): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (285): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- 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 9pnet: Could not find request transport: rdma ------------[ cut here ]------------ WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.4/6573 Modules linked in: CPU: 1 UID: 0 PID: 6573 Comm: syz-executor.4 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mntput_no_expire+0x78e/0xbe0 Code: 05 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42 RSP: 0018:ffff888016c87ce0 EFLAGS: 00010216 RAX: 00000000000220dc RBX: 1ffff11002d90fa1 RCX: ffffc9000823e000 RDX: 0000000000040000 RSI: ffffffff81bfaf9d RDI: 0000000000000005 RBP: ffff8880437ba700 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000fffffffe R11: 0000000000000001 R12: ffff888016c87d48 R13: 00000000fffffffe R14: 0000000000000000 R15: ffff8880437ba700 FS: 00007f79f9019700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb807be204c CR3: 00000000445db000 CR4: 0000000000350ef0 Call Trace: path_umount+0x6e0/0x1100 __x64_sys_umount+0x15c/0x190 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f79fbaa3b19 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:00007f79f9019188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 00007f79fbbb6f60 RCX: 00007f79fbaa3b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 00007f79fbafdf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe705313ef R14: 00007f79f9019300 R15: 0000000000022000 irq event stamp: 1497 hardirqs last enabled at (1505): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1514): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1476): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1467): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.3/6583 Modules linked in: CPU: 1 UID: 0 PID: 6583 Comm: syz-executor.3 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mntput_no_expire+0x78e/0xbe0 Code: 05 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42 RSP: 0018:ffff8880438779c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff1100870ef3d RCX: ffffffff81bfaf93 RDX: ffff888044403700 RSI: ffffffff81bfaf9d RDI: 0000000000000005 RBP: ffff88800cf3ce00 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888043877a28 R13: 00000000ffffffff R14: dead000000000100 R15: ffff88800cf3ce00 FS: 0000000000000000(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cd2d000 CR3: 000000003fe08000 CR4: 0000000000350ef0 Call Trace: namespace_unlock+0x7f1/0x810 put_mnt_ns+0xf5/0x120 free_nsproxy+0x3a/0x400 switch_task_namespaces+0xe2/0x100 do_exit+0x841/0x2970 do_group_exit+0xd3/0x2a0 get_signal+0x2315/0x2340 arch_do_signal_or_restart+0x80/0x790 exit_to_user_mode_loop+0x8b/0x110 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4fd9722b19 Code: Unable to access opcode bytes at 0x7f4fd9722aef. RSP: 002b:00007f4fd6c77218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4fd9836028 RCX: 00007f4fd9722b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4fd9836028 RBP: 00007f4fd9836020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4fd983602c R13: 00007ffeee8f147f R14: 00007f4fd6c77300 R15: 0000000000022000 irq event stamp: 1489 hardirqs last enabled at (1497): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1506): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1022): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1011): [] __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 40 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 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 9pnet: Could not find request transport: rdma 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 40 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 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 faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2 faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2 syz-executor.7 (6799) used greatest stack depth: 22768 bytes left