------------[ cut here ]------------ kmem_cache of name '9p-fcall-cache-(null)' already exists WARNING: CPU: 1 PID: 6245 at mm/slab_common.c:107 __kmem_cache_create_args+0xaf/0x370 Modules linked in: CPU: 1 UID: 0 PID: 6245 Comm: syz-executor.5 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:ffff888017037930 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88800f27c640 RCX: ffffc90000793000 RDX: 0000000000040000 RSI: ffffffff8118b52f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9e5141 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d393040 R13: 0000000000020018 R14: ffff888017037a10 R15: ffff888017037a50 FS: 00007f3f2223c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a1b379b90 CR3: 000000003b708000 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: 0033:0x7f3f24cc6b19 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:00007f3f2223c188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f3f24dd9f60 RCX: 00007f3f24cc6b19 RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007f3f24d20f6d R08: 00000000200004c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffceea09fef R14: 00007f3f2223c300 R15: 0000000000022000 irq event stamp: 3359 hardirqs last enabled at (3369): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (3380): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2982): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2971): [] irq_exit_rcu+0x94/0xc0 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kmem_cache of name '9p-fcall-cache-(null)' already exists WARNING: CPU: 0 PID: 6255 at mm/slab_common.c:107 __kmem_cache_create_args+0xaf/0x370 Modules linked in: CPU: 0 UID: 0 PID: 6255 Comm: syz-executor.0 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:ffff88803f1df930 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88800f27c780 RCX: ffffc90004fb7000 RDX: 0000000000040000 RSI: ffffffff8118b52f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9c5141 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888009f34e40 R13: 0000000000020018 R14: ffff88803f1dfa10 R15: ffff88803f1dfa50 FS: 00007f7717b88700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f953a02c300 CR3: 000000002c3f6000 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: 0033:0x7f771a612b19 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:00007f7717b88188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f771a725f60 RCX: 00007f771a612b19 RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007f771a66cf6d R08: 00000000200004c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0c5225df R14: 00007f7717b88300 R15: 0000000000022000 irq event stamp: 3423 hardirqs last enabled at (3435): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (3446): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (3348): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3467): [] irq_exit_rcu+0x94/0xc0 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kmem_cache of name '9p-fcall-cache-(null)' already exists WARNING: CPU: 1 PID: 6260 at mm/slab_common.c:107 __kmem_cache_create_args+0xaf/0x370 Modules linked in: CPU: 1 UID: 0 PID: 6260 Comm: syz-executor.7 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:ffff88803f087930 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88801665d000 RCX: ffffc900021a0000 RDX: 0000000000040000 RSI: ffffffff8118b52f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1007e10ed7 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800b5f4000 R13: 0000000000020018 R14: ffff88803f087a10 R15: ffff88803f087a50 FS: 00007fdfd446e700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555726abc58 CR3: 000000003b9d2000 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: 0033:0x7fdfd6ef8b19 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:00007fdfd446e188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fdfd700bf60 RCX: 00007fdfd6ef8b19 RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007fdfd6f52f6d R08: 00000000200004c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff3d4af20f R14: 00007fdfd446e300 R15: 0000000000022000 irq event stamp: 4259 hardirqs last enabled at (4269): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (4314): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (4310): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4277): [] irq_exit_rcu+0x94/0xc0 ---[ end trace 0000000000000000 ]---