[ 38.973308] ------------[ cut here ]------------ [ 38.974063] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.975743] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.977062] Modules linked in: [ 38.977583] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.979221] Tainted: [W]=WARN [ 38.979707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.981032] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.981783] 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 [ 38.984382] RSP: 0018:ffff888015a6fbc0 EFLAGS: 00010286 [ 38.985182] RAX: 0000000000000000 RBX: ffffed1002b4df78 RCX: ffffffff813a4050 [ 38.986223] RDX: ffff8880159cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.987284] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b4df2f [ 38.988328] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.989388] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015a6fdf8 [ 38.990449] FS: 00007fd17abc0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.991631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.992494] CR2: 00007ffdfc3fdef7 CR3: 000000000d66a000 CR4: 0000000000350ef0 [ 38.993548] Call Trace: [ 38.993928] [ 38.994262] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.994994] ? __create_object+0x59/0x80 [ 38.995636] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.996387] __vmalloc_noprof+0x59/0x60 [ 38.997016] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.997722] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.998488] bpf_prog_alloc+0x39/0x200 [ 38.999053] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.999815] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.000570] do_seccomp+0x349/0x25e0 [ 39.001122] ? find_held_lock+0x2b/0x80 [ 39.001746] ? do_prlimit+0x310/0x610 [ 39.002321] ? __pfx_do_seccomp+0x10/0x10 [ 39.002962] ? do_raw_spin_unlock+0x53/0x220 [ 39.003636] ? _raw_spin_unlock+0x1e/0x40 [ 39.004236] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.005027] ? static_key_count+0x60/0x80 [ 39.005678] prctl_set_seccomp+0x4e/0x70 [ 39.006273] __do_sys_prctl+0xe6c/0x1d70 [ 39.006917] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.007611] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.008358] ? irqentry_exit+0xf3/0x650 [ 39.008982] do_syscall_64+0xbf/0x430 [ 39.009595] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.010335] RIP: 0033:0x7fd17b0b25cd [ 39.010905] 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 [ 39.013517] RSP: 002b:00007ffdfc3fcc30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.014642] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd17b0b25cd [ 39.015678] RDX: 000055fa7c7c0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.016746] RBP: 00007ffdfc3fcc90 R08: 0000000000000000 R09: 00007ffdfc3fc330 [ 39.017797] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fa9a4c2240 [ 39.018840] R13: 00007ffdfc3fd0c0 R14: 000055fa9a4c1bf0 R15: 000055fa9a4d64d0 [ 39.019901] [ 39.020248] irq event stamp: 1873 [ 39.020783] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 39.022028] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 39.023270] softirqs last enabled at (1832): [] handle_softirqs+0x50c/0x770 [ 39.024541] softirqs last disabled at (1817): [] __irq_exit_rcu+0xc4/0x100 [ 39.025780] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.582812] ------------[ cut here ]------------ [ 42.583765] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.585753] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.587217] Modules linked in: [ 42.587849] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.589824] Tainted: [W]=WARN [ 42.590371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.591848] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.592772] 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 [ 42.595895] RSP: 0018:ffff888016637bc0 EFLAGS: 00010286 [ 42.596887] RAX: 0000000000000000 RBX: ffffed1002cc6f78 RCX: ffffffff813a4050 [ 42.598149] RDX: ffff888015a79bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.599430] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc6f2f [ 42.600702] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.601990] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016637df8 [ 42.603255] FS: 00007f33fa98b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.604681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.605744] CR2: 00007ffd467c5ef7 CR3: 000000000d9e9000 CR4: 0000000000350ef0 [ 42.607019] Call Trace: [ 42.607519] [ 42.607938] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.608849] ? __create_object+0x59/0x80 [ 42.609628] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.610583] __vmalloc_noprof+0x59/0x60 [ 42.611293] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.612154] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.613093] bpf_prog_alloc+0x39/0x200 [ 42.613840] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.614784] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.615703] do_seccomp+0x349/0x25e0 [ 42.616384] ? find_held_lock+0x2b/0x80 [ 42.617167] ? do_prlimit+0x310/0x610 [ 42.617917] ? __pfx_do_seccomp+0x10/0x10 [ 42.618726] ? do_raw_spin_unlock+0x53/0x220 [ 42.619575] ? _raw_spin_unlock+0x1e/0x40 [ 42.620319] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.621301] ? static_key_count+0x60/0x80 [ 42.622105] prctl_set_seccomp+0x4e/0x70 [ 42.622883] __do_sys_prctl+0xe6c/0x1d70 [ 42.623681] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.624557] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.625542] ? irqentry_exit+0xf3/0x650 [ 42.626278] do_syscall_64+0xbf/0x430 [ 42.627021] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.627982] RIP: 0033:0x7f33fae7d5cd [ 42.628704] 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 [ 42.631901] RSP: 002b:00007ffd467c4200 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.633304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f33fae7d5cd [ 42.634611] RDX: 0000560a7d3f2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.635899] RBP: 00007ffd467c4260 R08: 0000000000000000 R09: 00007ffd467c3900 [ 42.637223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560ab9ea3ad0 [ 42.638519] R13: 00007ffd467c4690 R14: 0000560ab9ea4bc0 R15: 0000560ab9eb5780 [ 42.639833] [ 42.640261] irq event stamp: 1809 [ 42.640931] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 42.642047] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 42.643170] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 42.644298] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 42.645425] ---[ end trace 0000000000000000 ]--- [ 43.438549] ------------[ cut here ]------------ [ 43.439481] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.441577] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.443061] Modules linked in: [ 43.443708] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.445704] Tainted: [W]=WARN [ 43.446253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.447710] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.448611] 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 [ 43.451807] RSP: 0018:ffff888016bffbc0 EFLAGS: 00010286 [ 43.452791] RAX: 0000000000000000 RBX: ffffed1002d7ff78 RCX: ffffffff813a4050 [ 43.454064] RDX: ffff88800c299bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.455336] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7ff2f [ 43.456625] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.457909] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bffdf8 [ 43.459189] FS: 00007f950fcfc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.460653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.461715] CR2: 00007fff379aaef7 CR3: 000000000c136000 CR4: 0000000000350ef0 [ 43.463004] Call Trace: [ 43.463512] [ 43.463931] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.464854] ? __create_object+0x59/0x80 [ 43.465658] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.466648] __vmalloc_noprof+0x59/0x60 [ 43.467377] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.468272] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.469233] bpf_prog_alloc+0x39/0x200 [ 43.469985] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.470930] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.471849] do_seccomp+0x349/0x25e0 [ 43.472595] ? find_held_lock+0x2b/0x80 [ 43.473323] ? do_prlimit+0x310/0x610 [ 43.474077] ? __pfx_do_seccomp+0x10/0x10 [ 43.474861] ? do_raw_spin_unlock+0x53/0x220 [ 43.475713] ? _raw_spin_unlock+0x1e/0x40 [ 43.476530] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.477524] ? static_key_count+0x60/0x80 [ 43.478300] prctl_set_seccomp+0x4e/0x70 [ 43.479104] __do_sys_prctl+0xe6c/0x1d70 [ 43.479901] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.480793] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.481803] ? irqentry_exit+0xf3/0x650 [ 43.482597] do_syscall_64+0xbf/0x430 [ 43.483317] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.484290] RIP: 0033:0x7f95101ee5cd [ 43.485018] 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 [ 43.488287] RSP: 002b:00007fff379a9790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.489703] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95101ee5cd [ 43.491022] RDX: 00005571ff5aee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.492343] RBP: 00007fff379a97f0 R08: 0000000000000000 R09: 00007fff379a8e90 [ 43.493679] R10: 0000000000000000 R11: 0000000000000246 R12: 00005572013ec2b0 [ 43.495006] R13: 00007fff379a9c20 R14: 00005572013eed20 R15: 00005572014008d0 [ 43.496340] [ 43.496833] irq event stamp: 1741 [ 43.497497] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 43.499056] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 43.500629] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 43.502202] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 43.503749] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44367' (ECDSA) to the list of known hosts. 2025/11/19 06:54:05 fuzzer started 2025/11/19 06:54:05 dialing manager at localhost:34383 2025/11/19 06:54:05 checking machine... 2025/11/19 06:54:05 checking revisions... [ 44.384442] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:54:06 testing simple program... [ 44.466061] cgroup: Unknown subsys name 'net' [ 44.520979] cgroup: Unknown subsys name 'cpuset' [ 44.533688] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:54:05 Registers: info registers vcpu 0 RAX=ffffffff81bf82f0 RBX=ffffffff86733fe0 RCX=ffffffff81bf82ee RDX=0000000000000000 RSI=ffffffff86acd8ce RDI=ffffffff86733fd0 RBP=ffffffff86733fe0 RSP=ffff88806ce08998 R8 =ffffffff86acd8ce R9 =0000000000000000 R10=000000000003c9ed R11=0000000000028e8d R12=ffffffff86733fdc R13=ffffffff86733fd0 R14=ffffffff86733fdc R15=dffffc0000000000 RIP=ffffffff8135dacf RFL=00000283 [--S---C] 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 00007f33fa98b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd467be000 CR3=00000000209ec000 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 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff81633568 RDX=1ffffffff0cca052 RSI=0000000000000001 RDI=0000000000000000 RBP=0000000000000001 RSP=ffff88806cf08c58 R8 =0000000000000001 R9 =ffffed100d9e119a R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=003b9aca00000000 R14=00000000000aac84 R15=0000000000355182 RIP=ffffffff81751928 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 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=00007fa627f12000 CR3=000000000d1a5000 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=878a003bb4cc5582e1409a561b161614 XMM02=ec2efd57dc4c00df00000000002ffdb0 XMM03=c19c7f7a33336fd800000000002ffe80 XMM04=17f7113228557add00000000000ae988 XMM05=090f1556b20111b3000000000031dfd8 XMM06=b5bb6a146049aaed0000000000317e50 XMM07=e042d86d42eb936e000000000030d8e0 XMM08=c19c7f7a33336fd800000000002ffe80 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000