[ 46.339908] ------------[ cut here ]------------ [ 46.340590] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.342023] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 46.343058] Modules linked in: [ 46.343480] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.344896] Tainted: [W]=WARN [ 46.345302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.346351] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.347001] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 46.349283] RSP: 0018:ffff888016577bc0 EFLAGS: 00010286 [ 46.349990] RAX: 0000000000000000 RBX: ffffed1002caef78 RCX: ffffffff813a4050 [ 46.350918] RDX: ffff88801827b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.351834] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002caef2f [ 46.352762] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.353691] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016577df8 [ 46.354621] FS: 00007f04b1c48900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.355652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.356380] CR2: 00007fff9d8afef8 CR3: 000000000ced2000 CR4: 0000000000350ef0 [ 46.357316] Call Trace: [ 46.357673] [ 46.357975] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.358605] ? __create_object+0x59/0x80 [ 46.359132] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.359828] __vmalloc_noprof+0x59/0x60 [ 46.360338] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.360951] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.361624] bpf_prog_alloc+0x39/0x200 [ 46.362122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.362794] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.363408] do_seccomp+0x349/0x25e0 [ 46.363932] ? find_held_lock+0x2b/0x80 [ 46.364443] ? do_prlimit+0x310/0x610 [ 46.364965] ? __pfx_do_seccomp+0x10/0x10 [ 46.365504] ? do_raw_spin_unlock+0x53/0x220 [ 46.366103] ? _raw_spin_unlock+0x1e/0x40 [ 46.366659] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.367313] ? static_key_count+0x60/0x80 [ 46.367887] prctl_set_seccomp+0x4e/0x70 [ 46.368415] __do_sys_prctl+0xe6c/0x1d70 [ 46.368976] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.369595] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.370259] ? irqentry_exit+0xf3/0x650 [ 46.370810] do_syscall_64+0xbf/0x430 [ 46.371307] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.371987] RIP: 0033:0x7f04b213a5cd [ 46.372460] 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 [ 46.374739] RSP: 002b:00007fff9d8ad9c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.375721] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f04b213a5cd [ 46.376650] RDX: 000055e4d4be1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.377583] RBP: 00007fff9d8ada20 R08: 0000000000000000 R09: 00007fff9d8ad0c0 [ 46.378476] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e4e71142b0 [ 46.379395] R13: 00007fff9d8ade50 R14: 000055e4e7116d20 R15: 000055e4e71288d0 [ 46.380339] [ 46.380673] irq event stamp: 1683 [ 46.381107] hardirqs last enabled at (1691): [] __up_console_sem+0x78/0x80 [ 46.382204] hardirqs last disabled at (1700): [] __up_console_sem+0x5d/0x80 [ 46.383290] softirqs last enabled at (1218): [] handle_softirqs+0x50c/0x770 [ 46.384393] softirqs last disabled at (1213): [] __irq_exit_rcu+0xc4/0x100 [ 46.385484] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.066140] ------------[ cut here ]------------ [ 49.067100] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.069341] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 49.070878] Modules linked in: [ 49.071471] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.073466] Tainted: [W]=WARN [ 49.074072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.075581] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.076470] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 49.079680] RSP: 0018:ffff888016e2fbc0 EFLAGS: 00010286 [ 49.080678] RAX: 0000000000000000 RBX: ffffed1002dc5f78 RCX: ffffffff813a4050 [ 49.081981] RDX: ffff888018f25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.083270] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc5f2f [ 49.084551] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.085939] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e2fdf8 [ 49.087401] FS: 00007f315c44d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.089061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.090209] CR2: 00007ffe496f9ef8 CR3: 000000000c586000 CR4: 0000000000350ef0 [ 49.091601] Call Trace: [ 49.092095] [ 49.092524] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.093446] ? __create_object+0x59/0x80 [ 49.094244] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.095417] __vmalloc_noprof+0x59/0x60 [ 49.096302] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.097187] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.098199] bpf_prog_alloc+0x39/0x200 [ 49.099095] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.100124] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.101034] do_seccomp+0x349/0x25e0 [ 49.101793] ? find_held_lock+0x2b/0x80 [ 49.102575] ? do_prlimit+0x310/0x610 [ 49.103287] ? __pfx_do_seccomp+0x10/0x10 [ 49.104087] ? do_raw_spin_unlock+0x53/0x220 [ 49.104942] ? _raw_spin_unlock+0x1e/0x40 [ 49.105758] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.106745] ? static_key_count+0x60/0x80 [ 49.107511] prctl_set_seccomp+0x4e/0x70 [ 49.108290] __do_sys_prctl+0xe6c/0x1d70 [ 49.109073] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.109952] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.110942] ? irqentry_exit+0xf3/0x650 [ 49.111734] do_syscall_64+0xbf/0x430 [ 49.112443] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.113415] RIP: 0033:0x7f315c93f5cd [ 49.114122] 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 [ 49.117339] RSP: 002b:00007ffe496f8240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.118728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f315c93f5cd [ 49.120033] RDX: 0000563fb6fdee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.121341] RBP: 00007ffe496f82a0 R08: 0000000000000000 R09: 00007ffe496f7940 [ 49.122654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563fe7466ad0 [ 49.123958] R13: 00007ffe496f86d0 R14: 0000563fe7467bc0 R15: 0000563fe7478780 [ 49.125285] [ 49.125772] irq event stamp: 1789 [ 49.126312] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 49.127582] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 49.128857] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 49.130166] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 49.131421] ---[ end trace 0000000000000000 ]--- [ 49.784233] ------------[ cut here ]------------ [ 49.785195] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.787227] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/255 [ 49.788718] Modules linked in: [ 49.789331] CPU: 0 UID: 104 PID: 255 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.791322] Tainted: [W]=WARN [ 49.791923] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.793432] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.794346] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 49.797598] RSP: 0018:ffff8880162ffbc0 EFLAGS: 00010286 [ 49.798596] RAX: 0000000000000000 RBX: ffffed1002c5ff78 RCX: ffffffff813a4050 [ 49.799907] RDX: ffff888017455340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.801223] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c5ff2f [ 49.802554] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.803846] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162ffdf8 [ 49.805157] FS: 00007f8ab2737900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.806638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.807716] CR2: 00007ffdb1a5bef8 CR3: 000000000d237000 CR4: 0000000000350ef0 [ 49.809004] Call Trace: [ 49.809486] [ 49.809956] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.810870] ? __create_object+0x59/0x80 [ 49.811659] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.812645] __vmalloc_noprof+0x59/0x60 [ 49.813373] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.814255] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.815212] bpf_prog_alloc+0x39/0x200 [ 49.815975] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.816923] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.817850] do_seccomp+0x349/0x25e0 [ 49.818572] ? find_held_lock+0x2b/0x80 [ 49.819297] ? do_prlimit+0x310/0x610 [ 49.820041] ? __pfx_do_seccomp+0x10/0x10 [ 49.820855] ? do_raw_spin_unlock+0x53/0x220 [ 49.821739] ? _raw_spin_unlock+0x1e/0x40 [ 49.822480] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.823618] ? static_key_count+0x60/0x80 [ 49.824385] prctl_set_seccomp+0x4e/0x70 [ 49.825167] __do_sys_prctl+0xe6c/0x1d70 [ 49.825964] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.826830] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.827817] ? irqentry_exit+0xf3/0x650 [ 49.828583] do_syscall_64+0xbf/0x430 [ 49.829296] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.830276] RIP: 0033:0x7f8ab2c295cd [ 49.831009] 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 [ 49.834235] RSP: 002b:00007ffdb1a5ad20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.835609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8ab2c295cd [ 49.836912] RDX: 0000555abb1cbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.838234] RBP: 00007ffdb1a5ad80 R08: 0000000000000000 R09: 00007ffdb1a5a420 [ 49.839521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555af561bad0 [ 49.840854] R13: 00007ffdb1a5b1b0 R14: 0000555af561cbc0 R15: 0000555af562d780 [ 49.842182] [ 49.842650] irq event stamp: 1855 [ 49.843259] hardirqs last enabled at (1863): [] __up_console_sem+0x78/0x80 [ 49.844799] hardirqs last disabled at (1872): [] __up_console_sem+0x5d/0x80 [ 49.846345] softirqs last enabled at (1832): [] handle_softirqs+0x50c/0x770 [ 49.847913] softirqs last disabled at (1827): [] __irq_exit_rcu+0xc4/0x100 [ 49.849453] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35072' (ECDSA) to the list of known hosts. 2025/11/19 07:25:42 fuzzer started 2025/11/19 07:25:42 dialing manager at localhost:34383 2025/11/19 07:25:42 checking machine... 2025/11/19 07:25:42 checking revisions... [ 50.705639] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:25:42 testing simple program... [ 50.787155] cgroup: Unknown subsys name 'net' [ 50.836448] cgroup: Unknown subsys name 'cpuset' [ 50.859906] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:25:42 Registers: info registers vcpu 0 RAX=0000000000000046 RBX=ffff8880162c7f58 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000048 RDI=ffffffff84c6af56 RBP=ffff8880162c7f48 RSP=ffff8880162c7f20 R8 =0000000000000000 R9 =ffffed1001287450 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=0000000000000048 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c71d78 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 00007f315c44d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe496f2000 CR3=000000000be75000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000027bc5 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f27dd170000 CR3=000000000dd01000 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=35323a373020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3634325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323433 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000