------------[ cut here ]------------ kmem_cache of name '9p-fcall-cache-(null)' already exists WARNING: CPU: 0 PID: 9796 at mm/slab_common.c:107 __kmem_cache_create_args+0xaf/0x370 Modules linked in: CPU: 0 UID: 0 PID: 9796 Comm: syz-executor.2 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kmem_cache_create_args+0xaf/0x370 Code: 98 48 3d 30 98 cc 85 74 25 48 8b 7b 60 4c 89 e6 e8 76 ee 09 03 85 c0 75 e0 90 48 c7 c7 d8 35 6e 85 4c 89 e6 e8 22 29 a4 ff 90 <0f> 0b 90 90 be 20 00 00 00 4c 89 e7 e8 f0 ef 09 03 48 85 c0 0f 85 RSP: 0018:ffff8880164a7930 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88802c79c140 RCX: ffffc900047e7000 RDX: 0000000000040000 RSI: ffffffff8118b52f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1002c94ed7 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800cc234c0 R13: 0000000000020018 R14: ffff8880164a7a10 R15: 0000000000000000 FS: 00007f364a88f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1985ff2546 CR3: 000000000bbf6000 CR4: 0000000000350ef0 Call Trace: p9_client_create+0xde4/0x11a0 v9fs_session_init+0x1e0/0x17b0 v9fs_mount+0xbd/0x9b0 legacy_get_tree+0x109/0x220 vfs_get_tree+0x97/0x380 path_mount+0x13b2/0x1ec0 __x64_sys_mount+0x283/0x300 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f364d319b19 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:00007f364a88f188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f364d42cf60 RCX: 00007f364d319b19 RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f364d373f6d R08: 0000000020000280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc29d781ff R14: 00007f364a88f300 R15: 0000000000022000 irq event stamp: 2297 hardirqs last enabled at (2309): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (2318): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2152): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1881): [] irq_exit_rcu+0x94/0xc0 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kmem_cache of name '9p-fcall-cache-(null)' already exists WARNING: CPU: 0 PID: 9834 at mm/slab_common.c:107 __kmem_cache_create_args+0xaf/0x370 Modules linked in: CPU: 0 UID: 0 PID: 9834 Comm: syz-executor.1 Tainted: G W 6.12.0-rc3-next-20241016 #1 Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kmem_cache_create_args+0xaf/0x370 Code: 98 48 3d 30 98 cc 85 74 25 48 8b 7b 60 4c 89 e6 e8 76 ee 09 03 85 c0 75 e0 90 48 c7 c7 d8 35 6e 85 4c 89 e6 e8 22 29 a4 ff 90 <0f> 0b 90 90 be 20 00 00 00 4c 89 e7 e8 f0 ef 09 03 48 85 c0 0f 85 RSP: 0018:ffff88801af87930 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88802c2593c0 RCX: ffffc900067f7000 RDX: 0000000000040000 RSI: ffffffff8118b52f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed10035f0ed7 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800dc2a7c0 R13: 0000000000020018 R14: ffff88801af87a10 R15: 0000000000000000 FS: 00007f61778b2700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000039248000 CR4: 0000000000350ef0 Call Trace: p9_client_create+0xde4/0x11a0 v9fs_session_init+0x1e0/0x17b0 v9fs_mount+0xbd/0x9b0 legacy_get_tree+0x109/0x220 vfs_get_tree+0x97/0x380 path_mount+0x13b2/0x1ec0 __x64_sys_mount+0x283/0x300 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f617a33cb19 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:00007f61778b2188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f617a44ff60 RCX: 00007f617a33cb19 RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f617a396f6d R08: 0000000020000280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea106881f R14: 00007f61778b2300 R15: 0000000000022000 irq event stamp: 2425 hardirqs last enabled at (2437): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (2448): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2208): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2203): [] irq_exit_rcu+0x94/0xc0 ---[ end trace 0000000000000000 ]--- __nla_validate_parse: 10 callbacks suppressed netlink: 168 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 168 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 168 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 168 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 168 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 168 bytes leftover after parsing attributes in process `syz-executor.6'. netlink: 168 bytes leftover after parsing attributes in process `syz-executor.6'. netlink: 168 bytes leftover after parsing attributes in process `syz-executor.6'.