[ 39.171494] ------------[ cut here ]------------ [ 39.172096] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.173577] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.174591] Modules linked in: [ 39.174993] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.176366] Tainted: [W]=WARN [ 39.176743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.177748] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.178364] 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 [ 39.180723] RSP: 0018:ffff888016bb7bc0 EFLAGS: 00010286 [ 39.181721] RAX: 0000000000000000 RBX: ffffed1002d76f78 RCX: ffffffff813a4050 [ 39.182612] RDX: ffff88801c298000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.183492] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d76f2f [ 39.184360] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.185196] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bb7df8 [ 39.186070] FS: 00007f1cd241b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.187053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.187776] CR2: 00007ffe65babef7 CR3: 000000000b87d000 CR4: 0000000000350ef0 [ 39.188652] Call Trace: [ 39.188964] [ 39.189241] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.189860] ? __create_object+0x59/0x80 [ 39.190387] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.191020] __vmalloc_noprof+0x59/0x60 [ 39.191537] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.192094] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.192721] bpf_prog_alloc+0x39/0x200 [ 39.193192] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.193821] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.194423] do_seccomp+0x349/0x25e0 [ 39.194880] ? find_held_lock+0x2b/0x80 [ 39.195400] ? do_prlimit+0x310/0x610 [ 39.195870] ? __pfx_do_seccomp+0x10/0x10 [ 39.196408] ? do_raw_spin_unlock+0x53/0x220 [ 39.196942] ? _raw_spin_unlock+0x1e/0x40 [ 39.197468] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.198088] ? static_key_count+0x60/0x80 [ 39.198634] prctl_set_seccomp+0x4e/0x70 [ 39.199127] __do_sys_prctl+0xe6c/0x1d70 [ 39.199664] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.200211] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.200857] ? irqentry_exit+0xf3/0x650 [ 39.201371] do_syscall_64+0xbf/0x430 [ 39.201845] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.202484] RIP: 0033:0x7f1cd290d5cd [ 39.202930] 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 [ 39.205089] RSP: 002b:00007ffe65baa5c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.206012] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1cd290d5cd [ 39.206877] RDX: 0000563498978e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.207740] RBP: 00007ffe65baa620 R08: 0000000000000000 R09: 00007ffe65ba9cc0 [ 39.208617] R10: 0000000000000000 R11: 0000000000000246 R12: 00005634cff532b0 [ 39.209501] R13: 00007ffe65baaa50 R14: 00005634cff55d20 R15: 00005634cff678d0 [ 39.210389] [ 39.210673] irq event stamp: 1999 [ 39.211089] hardirqs last enabled at (2007): [] __up_console_sem+0x78/0x80 [ 39.212140] hardirqs last disabled at (2016): [] __up_console_sem+0x5d/0x80 [ 39.213169] softirqs last enabled at (1978): [] handle_softirqs+0x50c/0x770 [ 39.214210] softirqs last disabled at (1963): [] __irq_exit_rcu+0xc4/0x100 [ 39.215241] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.800311] ------------[ cut here ]------------ [ 41.801221] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.803922] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.805375] Modules linked in: [ 41.805947] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.807949] Tainted: [W]=WARN [ 41.808793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.810374] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.811245] 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 [ 41.814409] RSP: 0018:ffff888017207bc0 EFLAGS: 00010286 [ 41.815425] RAX: 0000000000000000 RBX: ffffed1002e40f78 RCX: ffffffff813a4050 [ 41.816690] RDX: ffff88800abfd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.817963] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e40f2f [ 41.819250] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.820544] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017207df8 [ 41.821800] FS: 00007f6dbbc85900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.823266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.824315] CR2: 00007f6dbc177580 CR3: 000000001f517000 CR4: 0000000000350ef0 [ 41.825586] Call Trace: [ 41.826038] [ 41.826490] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.827411] ? __create_object+0x59/0x80 [ 41.828152] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.829104] __vmalloc_noprof+0x59/0x60 [ 41.829849] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.830712] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.831661] bpf_prog_alloc+0x39/0x200 [ 41.832399] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.833267] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.834234] do_seccomp+0x349/0x25e0 [ 41.834962] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.835899] ? __pfx_do_seccomp+0x10/0x10 [ 41.836694] ? find_held_lock+0x2b/0x80 [ 41.837461] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.838408] ? static_key_count+0x60/0x80 [ 41.839156] prctl_set_seccomp+0x4e/0x70 [ 41.839974] __do_sys_prctl+0xe6c/0x1d70 [ 41.840776] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.841629] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.842623] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.843611] ? irqentry_exit+0xf3/0x650 [ 41.844306] do_syscall_64+0xbf/0x430 [ 41.845024] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.845981] RIP: 0033:0x7f6dbc1775cd [ 41.846694] 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 [ 41.849878] RSP: 002b:00007ffe5bab9140 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.851285] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6dbc1775cd [ 41.852572] RDX: 000055e239baae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.853852] RBP: 00007ffe5bab91a0 R08: 0000000000000000 R09: 00007ffe5bab8840 [ 41.855141] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e2778e5ad0 [ 41.856414] R13: 00007ffe5bab95d0 R14: 000055e2778e6bc0 R15: 000055e2778f7780 [ 41.857496] [ 41.857846] irq event stamp: 1843 [ 41.858411] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 41.859709] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 41.860983] softirqs last enabled at (1608): [] handle_softirqs+0x50c/0x770 [ 41.862296] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 41.863585] ---[ end trace 0000000000000000 ]--- [ 42.565195] ------------[ cut here ]------------ [ 42.565751] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.566929] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.567779] Modules linked in: [ 42.568134] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.569281] Tainted: [W]=WARN [ 42.569616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.570471] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.570986] 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 [ 42.572854] RSP: 0018:ffff888017547bc0 EFLAGS: 00010286 [ 42.573409] RAX: 0000000000000000 RBX: ffffed1002ea8f78 RCX: ffffffff813a4050 [ 42.574127] RDX: ffff888016f0b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.574859] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea8f2f [ 42.575606] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.576333] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017547df8 [ 42.577054] FS: 00007f85b9728900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.577893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.578501] CR2: 00007ffe07f84ef7 CR3: 000000000d8db000 CR4: 0000000000350ef0 [ 42.579222] Call Trace: [ 42.579510] [ 42.579745] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.580234] ? __create_object+0x59/0x80 [ 42.580678] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.581208] __vmalloc_noprof+0x59/0x60 [ 42.581643] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.582117] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.582661] bpf_prog_alloc+0x39/0x200 [ 42.583073] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.583604] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.584097] do_seccomp+0x349/0x25e0 [ 42.584516] ? find_held_lock+0x2b/0x80 [ 42.584926] ? do_prlimit+0x310/0x610 [ 42.585357] ? __pfx_do_seccomp+0x10/0x10 [ 42.585782] ? do_raw_spin_unlock+0x53/0x220 [ 42.586231] ? _raw_spin_unlock+0x1e/0x40 [ 42.586676] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.587208] ? static_key_count+0x60/0x80 [ 42.587660] prctl_set_seccomp+0x4e/0x70 [ 42.588070] __do_sys_prctl+0xe6c/0x1d70 [ 42.588509] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.588967] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.589507] ? irqentry_exit+0xf3/0x650 [ 42.589911] do_syscall_64+0xbf/0x430 [ 42.590299] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.590830] RIP: 0033:0x7f85b9c1a5cd [ 42.591203] 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 [ 42.592985] RSP: 002b:00007ffe07f83540 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.593756] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85b9c1a5cd [ 42.594470] RDX: 000055942583de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.595160] RBP: 00007ffe07f835a0 R08: 0000000000000000 R09: 00007ffe07f82c40 [ 42.595893] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559429561ad0 [ 42.596605] R13: 00007ffe07f839d0 R14: 0000559429562bc0 R15: 0000559429573780 [ 42.597310] [ 42.597569] irq event stamp: 1785 [ 42.597915] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 42.598770] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 42.599629] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 42.600494] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 42.601342] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4111' (ECDSA) to the list of known hosts. 2025/11/17 21:42:55 fuzzer started 2025/11/17 21:42:56 dialing manager at localhost:37895 2025/11/17 21:42:56 checking machine... 2025/11/17 21:42:56 checking revisions... [ 43.280198] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:42:56 testing simple program... [ 43.353667] cgroup: Unknown subsys name 'net' [ 43.408141] cgroup: Unknown subsys name 'cpuset' [ 43.417800] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:42:55 Registers: info registers vcpu 0 RAX=00000000db9165e2 RBX=000000005689daaa RCX=ffff88800f3f1810 RDX=000000000000000c RSI=000000006eadb74b RDI=0000000000000003 RBP=0000000000000001 RSP=ffff888009627910 R8 =000000008fa4ebdb R9 =ffff88806c4daaa0 R10=000000000003c9ed R11=000000000000054b R12=0000000000000000 R13=0000000000000000 R14=ffff888009627978 R15=000000000000000c RIP=ffffffff82642466 RFL=00000282 [--S----] 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 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe5bab3000 CR3=000000001f4bf000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002357f RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe502856148 CR3=000000000e6d1000 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=a824d6b8d9b8e1bbcd4ba611bbc0b50a XMM02=2c67c8bc2e329bc30000000000301de0 XMM03=fb795ef6d6577056000000000030d218 XMM04=848cfad170aa1f9600000000000ae988 XMM05=99f0f3e85a620e91000000000031e868 XMM06=474038aa6c007e1f000000000031e4f0 XMM07=e042d86d42eb936e000000000030df10 XMM08=3dc507fa0b2b35200000000000301e40 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000