[ 39.096563] ------------[ cut here ]------------ [ 39.097633] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.099956] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.101661] Modules linked in: [ 39.102404] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.104686] Tainted: [W]=WARN [ 39.105386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.107092] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.108170] 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 [ 39.111828] RSP: 0018:ffff8880168dfbc0 EFLAGS: 00010286 [ 39.112954] RAX: 0000000000000000 RBX: ffffed1002d1bf78 RCX: ffffffff813a4050 [ 39.114433] RDX: ffff888016763780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.115946] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d1bf2f [ 39.117432] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.118894] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168dfdf8 [ 39.120388] FS: 00007f9f1a95f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.122039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.123268] CR2: 00007fff238cdef7 CR3: 000000000d7c5000 CR4: 0000000000350ef0 [ 39.124749] Call Trace: [ 39.125332] [ 39.125803] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.126846] ? __create_object+0x59/0x80 [ 39.127765] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.128880] __vmalloc_noprof+0x59/0x60 [ 39.129747] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.130749] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.131821] bpf_prog_alloc+0x39/0x200 [ 39.132548] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.133471] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.134358] do_seccomp+0x349/0x25e0 [ 39.135017] ? find_held_lock+0x2b/0x80 [ 39.135778] ? do_prlimit+0x310/0x610 [ 39.136501] ? __pfx_do_seccomp+0x10/0x10 [ 39.137277] ? do_raw_spin_unlock+0x53/0x220 [ 39.138044] ? _raw_spin_unlock+0x1e/0x40 [ 39.138801] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.139742] ? static_key_count+0x60/0x80 [ 39.140522] prctl_set_seccomp+0x4e/0x70 [ 39.141295] __do_sys_prctl+0xe6c/0x1d70 [ 39.142023] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.142855] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.143822] ? irqentry_exit+0xf3/0x650 [ 39.144569] do_syscall_64+0xbf/0x430 [ 39.145285] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.146224] RIP: 0033:0x7f9f1ae515cd [ 39.146872] 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 [ 39.149984] RSP: 002b:00007fff238cb7c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.151323] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f1ae515cd [ 39.152596] RDX: 000055c1233d9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.153844] RBP: 00007fff238cb820 R08: 0000000000000000 R09: 00007fff238caec0 [ 39.155092] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c15434fad0 [ 39.156173] R13: 00007fff238cbc50 R14: 000055c154350bc0 R15: 000055c154361780 [ 39.156923] [ 39.157205] irq event stamp: 1795 [ 39.157566] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 39.158482] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 39.159379] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 39.160194] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 39.160813] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.418221] ------------[ cut here ]------------ [ 42.419081] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.422476] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.425558] Modules linked in: [ 42.426213] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.428222] Tainted: [W]=WARN [ 42.428771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.430251] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.431181] 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 [ 42.434405] RSP: 0018:ffff888016bf7bc0 EFLAGS: 00010286 [ 42.435406] RAX: 0000000000000000 RBX: ffffed1002d7ef78 RCX: ffffffff813a4050 [ 42.436701] RDX: ffff888017048000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.438013] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7ef2f [ 42.439324] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.440630] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bf7df8 [ 42.441928] FS: 00007fc35a662900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.443380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.444467] CR2: 00007fc35ab54580 CR3: 000000002096b000 CR4: 0000000000350ef0 [ 42.445761] Call Trace: [ 42.446272] [ 42.446691] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.447605] ? __create_object+0x59/0x80 [ 42.448398] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.449386] __vmalloc_noprof+0x59/0x60 [ 42.450149] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.450978] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.451944] bpf_prog_alloc+0x39/0x200 [ 42.452692] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.453638] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.454552] do_seccomp+0x349/0x25e0 [ 42.455278] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.456210] ? __pfx_do_seccomp+0x10/0x10 [ 42.456947] ? find_held_lock+0x2b/0x80 [ 42.457714] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.458683] ? static_key_count+0x60/0x80 [ 42.459503] prctl_set_seccomp+0x4e/0x70 [ 42.460314] __do_sys_prctl+0xe6c/0x1d70 [ 42.461052] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.461937] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.462914] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.463908] ? irqentry_exit+0xf3/0x650 [ 42.464695] do_syscall_64+0xbf/0x430 [ 42.465459] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.466439] RIP: 0033:0x7fc35ab545cd [ 42.467149] 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 [ 42.470373] RSP: 002b:00007ffc6eb85790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.471775] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc35ab545cd [ 42.473080] RDX: 000055ebe84f1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.474425] RBP: 00007ffc6eb857f0 R08: 0000000000000000 R09: 00007ffc6eb84e90 [ 42.475725] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec02a8aad0 [ 42.477021] R13: 00007ffc6eb85c20 R14: 000055ec02a8bbc0 R15: 000055ec02a9c780 [ 42.478333] [ 42.478768] irq event stamp: 1991 [ 42.479426] hardirqs last enabled at (2001): [] __up_console_sem+0x78/0x80 [ 42.480987] hardirqs last disabled at (2010): [] __up_console_sem+0x5d/0x80 [ 42.482509] softirqs last enabled at (1944): [] handle_softirqs+0x50c/0x770 [ 42.484066] softirqs last disabled at (1939): [] __irq_exit_rcu+0xc4/0x100 [ 42.485640] ---[ end trace 0000000000000000 ]--- [ 43.330402] ------------[ cut here ]------------ [ 43.331373] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.333475] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.334937] Modules linked in: [ 43.335571] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.337592] Tainted: [W]=WARN [ 43.338203] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.339678] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.340593] 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 [ 43.343821] RSP: 0018:ffff8880169efbc0 EFLAGS: 00010286 [ 43.344806] RAX: 0000000000000000 RBX: ffffed1002d3df78 RCX: ffffffff813a4050 [ 43.346114] RDX: ffff888015859bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.347419] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d3df2f [ 43.348732] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.350026] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169efdf8 [ 43.351320] FS: 00007f1d50104900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.352790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.353854] CR2: 00007f1d505f6580 CR3: 000000000e304000 CR4: 0000000000350ef0 [ 43.355140] Call Trace: [ 43.355604] [ 43.356019] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.356930] ? __create_object+0x59/0x80 [ 43.357728] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.358691] __vmalloc_noprof+0x59/0x60 [ 43.359452] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.360350] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.361275] bpf_prog_alloc+0x39/0x200 [ 43.361970] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.362898] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.363813] do_seccomp+0x349/0x25e0 [ 43.364537] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.365427] ? __pfx_do_seccomp+0x10/0x10 [ 43.366217] ? find_held_lock+0x2b/0x80 [ 43.366937] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.367907] ? static_key_count+0x60/0x80 [ 43.368712] prctl_set_seccomp+0x4e/0x70 [ 43.369490] __do_sys_prctl+0xe6c/0x1d70 [ 43.370273] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.371088] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.372076] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.373054] ? irqentry_exit+0xf3/0x650 [ 43.373824] do_syscall_64+0xbf/0x430 [ 43.374575] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.375532] RIP: 0033:0x7f1d505f65cd [ 43.376261] 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 [ 43.379423] RSP: 002b:00007ffec75eae20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.380813] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d505f65cd [ 43.382122] RDX: 0000561594f1ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.383407] RBP: 00007ffec75eae80 R08: 0000000000000000 R09: 00007ffec75ea520 [ 43.384502] R10: 0000000000000000 R11: 0000000000000246 R12: 000056159c7bd2b0 [ 43.385486] R13: 00007ffec75eb2b0 R14: 000056159c7bfd20 R15: 000056159c7d18d0 [ 43.386472] [ 43.386800] irq event stamp: 1729 [ 43.387295] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 43.388461] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 43.389622] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 43.390794] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 43.391951] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37807' (ECDSA) to the list of known hosts. 2025/11/17 23:22:37 fuzzer started 2025/11/17 23:22:37 dialing manager at localhost:37895 2025/11/17 23:22:37 checking machine... 2025/11/17 23:22:37 checking revisions... [ 44.262757] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:22:37 testing simple program... [ 44.355133] cgroup: Unknown subsys name 'net' [ 44.431391] cgroup: Unknown subsys name 'cpuset' [ 44.444877] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:22:36 Registers: info registers vcpu 0 RAX=fffff940000f35a0 RBX=fffff940000f35a1 RCX=ffffffff819f8cb6 RDX=0000000000000001 RSI=0000000000000008 RDI=ffffea000079ad00 RBP=fffff940000f35a0 RSP=ffff8880178f7b88 R8 =0000000000000001 R9 =fffff940000f35a0 R10=ffffea000079ad07 R11=0000000000000000 R12=ffff88800c28f8c0 R13=ffff88801e6b4000 R14=ffff8880178f7dc0 R15=ffff8880178f7d68 RIP=ffffffff81b2cf84 RFL=00000202 [-------] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f675fba0db8 CR3=000000001d1e9000 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=2e6f732e6c736e62696c2f756e672d78 XMM02=00322e6f732e6c736e62696c2f756e67 XMM03=2d78756e696c2d34365f3638782f6269 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=73a7f54f7f6c8200 RBX=ffff8880166d79b8 RCX=ffffffff86ab82be RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff8880166d75b0 R8 =ffffffff86ab82c2 R9 =ffff8880166d76a8 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff8135e7a2 R13=ffff8880166d76b0 R14=ffff8880166d79b8 R15=ffff8880166d7668 RIP=ffffffff81528ee4 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 00007fc35a662900 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=00007ffc6eb7f000 CR3=00000000209dc000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000