[ 39.479903] ------------[ cut here ]------------ [ 39.480854] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.482938] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.484436] Modules linked in: [ 39.485079] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.487087] Tainted: [W]=WARN [ 39.487689] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.489173] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.490103] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.493301] RSP: 0018:ffff88800f707bc0 EFLAGS: 00010286 [ 39.494303] RAX: 0000000000000000 RBX: ffffed1001ee0f78 RCX: ffffffff813a4050 [ 39.495603] RDX: ffff88800f1c5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.496906] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ee0f2f [ 39.498199] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.499533] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f707df8 [ 39.500830] FS: 00007f6c3e94e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.502297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.503358] CR2: 00007ffd781adef7 CR3: 000000000e1c2000 CR4: 0000000000350ef0 [ 39.504661] Call Trace: [ 39.505137] [ 39.505589] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.506467] ? __create_object+0x59/0x80 [ 39.507258] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.508221] __vmalloc_noprof+0x59/0x60 [ 39.508980] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.509853] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.510808] bpf_prog_alloc+0x39/0x200 [ 39.511543] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.512435] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.513326] do_seccomp+0x349/0x25e0 [ 39.514041] ? find_held_lock+0x2b/0x80 [ 39.514827] ? do_prlimit+0x310/0x610 [ 39.515576] ? __pfx_do_seccomp+0x10/0x10 [ 39.516315] ? do_raw_spin_unlock+0x53/0x220 [ 39.517155] ? _raw_spin_unlock+0x1e/0x40 [ 39.517935] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.518924] ? static_key_count+0x60/0x80 [ 39.519748] prctl_set_seccomp+0x4e/0x70 [ 39.520478] __do_sys_prctl+0xe6c/0x1d70 [ 39.521259] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.522139] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.523151] ? irqentry_exit+0xf3/0x650 [ 39.523922] do_syscall_64+0xbf/0x430 [ 39.524677] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.525642] RIP: 0033:0x7f6c3ee405cd [ 39.526330] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.529526] RSP: 002b:00007ffd781ac9d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.530864] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c3ee405cd [ 39.531934] RDX: 000056245f0c2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.533004] RBP: 00007ffd781aca30 R08: 0000000000000000 R09: 00007ffd781ac0d0 [ 39.534081] R10: 0000000000000000 R11: 0000000000000246 R12: 000056247aa0cad0 [ 39.535160] R13: 00007ffd781ace60 R14: 000056247aa0dbc0 R15: 000056247aa1e780 [ 39.536247] [ 39.536636] irq event stamp: 1741 [ 39.537133] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 39.538412] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 39.539679] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 39.540958] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 39.542211] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.133495] ------------[ cut here ]------------ [ 42.134453] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.136526] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.138013] Modules linked in: [ 42.138665] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.140841] Tainted: [W]=WARN [ 42.141497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.143494] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.144559] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.148139] RSP: 0018:ffff8880176b7bc0 EFLAGS: 00010286 [ 42.149140] RAX: 0000000000000000 RBX: ffffed1002ed6f78 RCX: ffffffff813a4050 [ 42.150438] RDX: ffff88800f3f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.151763] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed6f2f [ 42.153151] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.154554] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176b7df8 [ 42.155830] FS: 00007f218a4f4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.157261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.158371] CR2: 00007f218a9e6580 CR3: 000000000d4db000 CR4: 0000000000350ef0 [ 42.159791] Call Trace: [ 42.160281] [ 42.160777] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.161658] ? __create_object+0x59/0x80 [ 42.162413] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.163372] __vmalloc_noprof+0x59/0x60 [ 42.164116] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.164990] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.165910] bpf_prog_alloc+0x39/0x200 [ 42.166654] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.167591] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.168430] do_seccomp+0x349/0x25e0 [ 42.169137] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.170022] ? __pfx_do_seccomp+0x10/0x10 [ 42.170800] ? find_held_lock+0x2b/0x80 [ 42.171542] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.172443] ? static_key_count+0x60/0x80 [ 42.173220] prctl_set_seccomp+0x4e/0x70 [ 42.173988] __do_sys_prctl+0xe6c/0x1d70 [ 42.174764] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.175599] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.176505] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.177453] ? irqentry_exit+0xf3/0x650 [ 42.178194] do_syscall_64+0xbf/0x430 [ 42.178936] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.179865] RIP: 0033:0x7f218a9e65cd [ 42.180563] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.183726] RSP: 002b:00007ffcc108d8f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.185076] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f218a9e65cd [ 42.186343] RDX: 0000559805990e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.187605] RBP: 00007ffcc108d950 R08: 0000000000000000 R09: 00007ffcc108cff0 [ 42.188860] R10: 0000000000000000 R11: 0000000000000246 R12: 000055983f04e240 [ 42.190121] R13: 00007ffcc108dd80 R14: 000055983f057380 R15: 000055983f062540 [ 42.191294] [ 42.191698] irq event stamp: 1815 [ 42.192228] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 42.193545] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 42.194889] softirqs last enabled at (1396): [] handle_softirqs+0x50c/0x770 [ 42.196235] softirqs last disabled at (1385): [] __irq_exit_rcu+0xc4/0x100 [ 42.197544] ---[ end trace 0000000000000000 ]--- [ 42.826390] ------------[ cut here ]------------ [ 42.827241] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.829043] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.830340] Modules linked in: [ 42.830903] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.832673] Tainted: [W]=WARN [ 42.833176] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.834527] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.835292] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.838099] RSP: 0018:ffff888016d87bc0 EFLAGS: 00010286 [ 42.838987] RAX: 0000000000000000 RBX: ffffed1002db0f78 RCX: ffffffff813a4050 [ 42.840142] RDX: ffff88801692b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.841275] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db0f2f [ 42.842440] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.843587] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d87df8 [ 42.844733] FS: 00007f875a5a0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.846018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.846977] CR2: 00007f875ab064a6 CR3: 0000000020c98000 CR4: 0000000000350ef0 [ 42.848118] Call Trace: [ 42.848565] [ 42.848928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.849732] ? __create_object+0x59/0x80 [ 42.850394] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.851263] __vmalloc_noprof+0x59/0x60 [ 42.851932] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.852709] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.853551] bpf_prog_alloc+0x39/0x200 [ 42.854164] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.854995] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.855798] do_seccomp+0x349/0x25e0 [ 42.856394] ? find_held_lock+0x2b/0x80 [ 42.857078] ? do_prlimit+0x310/0x610 [ 42.857754] ? __pfx_do_seccomp+0x10/0x10 [ 42.858425] ? do_raw_spin_unlock+0x53/0x220 [ 42.859165] ? _raw_spin_unlock+0x1e/0x40 [ 42.859864] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.860722] ? static_key_count+0x60/0x80 [ 42.861399] prctl_set_seccomp+0x4e/0x70 [ 42.862090] __do_sys_prctl+0xe6c/0x1d70 [ 42.862800] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.863577] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.864405] ? irqentry_exit+0xf3/0x650 [ 42.865081] do_syscall_64+0xbf/0x430 [ 42.865741] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.866590] RIP: 0033:0x7f875aa925cd [ 42.867169] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.870011] RSP: 002b:00007ffddb986120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.871237] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f875aa925cd [ 42.872382] RDX: 000056036c1a7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.873536] RBP: 00007ffddb986180 R08: 0000000000000000 R09: 00007ffddb985820 [ 42.874686] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560374724ad0 [ 42.875819] R13: 00007ffddb9865b0 R14: 0000560374725bc0 R15: 0000560374736780 [ 42.876980] [ 42.877354] irq event stamp: 1719 [ 42.877928] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 42.879307] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 42.880657] softirqs last enabled at (1210): [] handle_softirqs+0x50c/0x770 [ 42.882039] softirqs last disabled at (1189): [] __irq_exit_rcu+0xc4/0x100 [ 42.883412] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61256' (ECDSA) to the list of known hosts. 2025/11/17 08:55:14 fuzzer started 2025/11/17 08:55:15 dialing manager at localhost:37895 2025/11/17 08:55:15 checking machine... 2025/11/17 08:55:15 checking revisions... [ 43.763794] kmemleak: Automatic memory scanning thread ended 2025/11/17 08:55:15 testing simple program... [ 43.833037] cgroup: Unknown subsys name 'net' [ 43.897787] cgroup: Unknown subsys name 'cpuset' [ 43.911001] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 08:55:14 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffffffff85c07f08 RCX=ffff88806ce089c4 RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffffffff85c2d480 RBP=ffffffff85e1ffe0 RSP=ffff88806ce089b8 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000c81e6 R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffffffff85c2ca00 R15=0000000000000002 RIP=ffffffff81528ffa RFL=00000057 [---ZAPC] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f218aaab618 CR3=000000000d459000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=35353a383020373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363939 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88800e2413c0 RCX=0000000000000001 RDX=0000000000000000 RSI=00000000ffffffff RDI=ffff88800f34d5e0 RBP=ffff88800f34d5e0 RSP=ffff888016d879d0 R8 =00000000ffffffff R9 =ffffed1001c48350 R10=0000000000000300 R11=0000000000000003 R12=ffff888016a80000 R13=ffff888016d87e48 R14=00000000ffffffff R15=ffff888016d87e40 RIP=ffffffff84c720b8 RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f218a4f4900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f218a4d3020 CR3=0000000020c99000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000