[ 38.953656] ------------[ cut here ]------------ [ 38.954700] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.957062] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.958815] Modules linked in: [ 38.959506] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.961805] Tainted: [W]=WARN [ 38.962384] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.964162] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.965229] 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 [ 38.968943] RSP: 0018:ffff88801800fbc0 EFLAGS: 00010286 [ 38.970105] RAX: 0000000000000000 RBX: ffffed1003001f78 RCX: ffffffff813a4050 [ 38.971629] RDX: ffff8880183ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.973173] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003001f2f [ 38.974691] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.976123] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801800fdf8 [ 38.977332] FS: 00007fbb20aef900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.978691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.979704] CR2: 00007fff044deef7 CR3: 000000000cc31000 CR4: 0000000000350ef0 [ 38.980933] Call Trace: [ 38.981374] [ 38.981807] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.982681] ? __create_object+0x59/0x80 [ 38.983385] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.984307] __vmalloc_noprof+0x59/0x60 [ 38.985024] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.985853] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.986742] bpf_prog_alloc+0x39/0x200 [ 38.987398] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.988213] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.988978] do_seccomp+0x349/0x25e0 [ 38.989541] ? find_held_lock+0x2b/0x80 [ 38.990162] ? do_prlimit+0x310/0x610 [ 38.990779] ? __pfx_do_seccomp+0x10/0x10 [ 38.991406] ? do_raw_spin_unlock+0x53/0x220 [ 38.992115] ? _raw_spin_unlock+0x1e/0x40 [ 38.992758] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.993542] ? static_key_count+0x60/0x80 [ 38.994228] prctl_set_seccomp+0x4e/0x70 [ 38.994878] __do_sys_prctl+0xe6c/0x1d70 [ 38.995492] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.996240] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.997064] ? irqentry_exit+0xf3/0x650 [ 38.997715] do_syscall_64+0xbf/0x430 [ 38.998301] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.999101] RIP: 0033:0x7fbb20fe15cd [ 38.999709] 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 [ 39.002379] RSP: 002b:00007fff044dda90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.003532] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbb20fe15cd [ 39.004656] RDX: 000055b140c98e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.005780] RBP: 00007fff044ddaf0 R08: 0000000000000000 R09: 00007fff044dd190 [ 39.006845] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b17b1c7ad0 [ 39.007926] R13: 00007fff044ddf20 R14: 000055b17b1c8bc0 R15: 000055b17b1d9780 [ 39.009013] [ 39.009376] irq event stamp: 1965 [ 39.009923] hardirqs last enabled at (1975): [] __up_console_sem+0x78/0x80 [ 39.011215] hardirqs last disabled at (1984): [] __up_console_sem+0x5d/0x80 [ 39.012514] softirqs last enabled at (1924): [] handle_softirqs+0x50c/0x770 [ 39.013819] softirqs last disabled at (1919): [] __irq_exit_rcu+0xc4/0x100 [ 39.015101] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.867371] ------------[ cut here ]------------ [ 41.868311] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.870332] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.871799] Modules linked in: [ 41.872387] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.874385] Tainted: [W]=WARN [ 41.874979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.876724] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.877708] 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 [ 41.880894] RSP: 0018:ffff888016b47bc0 EFLAGS: 00010286 [ 41.881881] RAX: 0000000000000000 RBX: ffffed1002d68f78 RCX: ffffffff813a4050 [ 41.883155] RDX: ffff8880159cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.884446] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d68f2f [ 41.885720] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.887000] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b47df8 [ 41.888291] FS: 00007fea25912900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.889812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.890890] CR2: 00007fea25e04580 CR3: 000000000b9ca000 CR4: 0000000000350ef0 [ 41.892193] Call Trace: [ 41.892698] [ 41.893104] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.894003] ? __create_object+0x59/0x80 [ 41.894787] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.895766] __vmalloc_noprof+0x59/0x60 [ 41.896482] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.897346] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.898272] bpf_prog_alloc+0x39/0x200 [ 41.899021] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.899953] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.900837] do_seccomp+0x349/0x25e0 [ 41.901506] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.902397] ? __pfx_do_seccomp+0x10/0x10 [ 41.903175] ? find_held_lock+0x2b/0x80 [ 41.903955] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.904913] ? static_key_count+0x60/0x80 [ 41.905730] prctl_set_seccomp+0x4e/0x70 [ 41.906472] __do_sys_prctl+0xe6c/0x1d70 [ 41.907244] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.908106] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.909072] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.910053] ? irqentry_exit+0xf3/0x650 [ 41.910815] do_syscall_64+0xbf/0x430 [ 41.911503] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.912462] RIP: 0033:0x7fea25e045cd [ 41.913161] 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 [ 41.916338] RSP: 002b:00007fffcf43e530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.917692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea25e045cd [ 41.918968] RDX: 00005564fa341e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.920259] RBP: 00007fffcf43e590 R08: 0000000000000000 R09: 00007fffcf43dc30 [ 41.921553] R10: 0000000000000000 R11: 0000000000000246 R12: 000055650056ebf0 [ 41.922844] R13: 00007fffcf43e9c0 R14: 0000556500578380 R15: 0000556500583460 [ 41.924165] [ 41.924526] irq event stamp: 1857 [ 41.925074] hardirqs last enabled at (1867): [] __up_console_sem+0x78/0x80 [ 41.926356] hardirqs last disabled at (1876): [] __up_console_sem+0x5d/0x80 [ 41.927636] softirqs last enabled at (1824): [] handle_softirqs+0x50c/0x770 [ 41.929006] softirqs last disabled at (1819): [] __irq_exit_rcu+0xc4/0x100 [ 41.930338] ---[ end trace 0000000000000000 ]--- [ 42.663423] ------------[ cut here ]------------ [ 42.664374] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.666378] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.668057] Modules linked in: [ 42.668764] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.670756] Tainted: [W]=WARN [ 42.671308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.672792] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.673697] 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 [ 42.676911] RSP: 0018:ffff8880171f7bc0 EFLAGS: 00010286 [ 42.677894] RAX: 0000000000000000 RBX: ffffed1002e3ef78 RCX: ffffffff813a4050 [ 42.679175] RDX: ffff888015bd8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.680460] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3ef2f [ 42.681740] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.683027] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171f7df8 [ 42.684316] FS: 00007f4a2d02f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.685745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.686797] CR2: 00007ffc2f5a7ef7 CR3: 000000000d61c000 CR4: 0000000000350ef0 [ 42.688083] Call Trace: [ 42.688547] [ 42.689003] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.689903] ? __create_object+0x59/0x80 [ 42.690678] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.691636] __vmalloc_noprof+0x59/0x60 [ 42.692350] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.693213] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.694144] bpf_prog_alloc+0x39/0x200 [ 42.694881] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.695836] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.696729] do_seccomp+0x349/0x25e0 [ 42.697401] ? find_held_lock+0x2b/0x80 [ 42.698169] ? do_prlimit+0x310/0x610 [ 42.698925] ? __pfx_do_seccomp+0x10/0x10 [ 42.699709] ? do_raw_spin_unlock+0x53/0x220 [ 42.700504] ? _raw_spin_unlock+0x1e/0x40 [ 42.701285] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.702248] ? static_key_count+0x60/0x80 [ 42.703047] prctl_set_seccomp+0x4e/0x70 [ 42.703839] __do_sys_prctl+0xe6c/0x1d70 [ 42.704620] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.705424] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.706385] ? irqentry_exit+0xf3/0x650 [ 42.707160] do_syscall_64+0xbf/0x430 [ 42.707908] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.708877] RIP: 0033:0x7f4a2d5215cd [ 42.709537] 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 [ 42.712737] RSP: 002b:00007ffc2f5a52a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.714110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a2d5215cd [ 42.715398] RDX: 0000556e7f871e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.716705] RBP: 00007ffc2f5a5300 R08: 0000000000000000 R09: 00007ffc2f5a49a0 [ 42.717985] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556ea0ff0b10 [ 42.719278] R13: 00007ffc2f5a5730 R14: 0000556ea0ff12b0 R15: 0000556ea10056f0 [ 42.720601] [ 42.721024] irq event stamp: 1797 [ 42.721679] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 42.723207] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 42.724747] softirqs last enabled at (1574): [] handle_softirqs+0x50c/0x770 [ 42.726034] softirqs last disabled at (1569): [] __irq_exit_rcu+0xc4/0x100 [ 42.727304] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57746' (ECDSA) to the list of known hosts. 2025/11/17 11:43:09 fuzzer started 2025/11/17 11:43:09 dialing manager at localhost:37895 2025/11/17 11:43:09 checking machine... 2025/11/17 11:43:09 checking revisions... [ 43.411136] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:43:10 testing simple program... [ 43.464447] cgroup: Unknown subsys name 'net' [ 43.502626] cgroup: Unknown subsys name 'cpuset' [ 43.508780] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.430153] audit: type=1400 audit(1763379799.027:7): avc: denied { execmem } for pid=275 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 11:43:09 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801c540c40 RCX=ffffffff81c80bc9 RDX=ffff88801804d340 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff88801c540cc0 RSP=ffff88801807fb08 R8 =0000000000000000 R9 =ffffed10038a8198 R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=ffff88801c540d10 R14=ffff88801c540cd8 R15=ffff88801c540cc0 RIP=ffffffff81751c74 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fea25912900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffcf438000 CR3=000000001645e000 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=563412feff00545000000000000080fe 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=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff8137472d RDX=1ffff1100fffb0c8 RSI=ffffffff8137476b RDI=0000000000000006 RBP=000000000d296d38 RSP=ffff888015957878 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000800 R11=0000000000000001 R12=ffff88807ffd8640 R13=ffff88807ffd8640 R14=ffff88800d631640 R15=ffff8880096c78c0 RIP=ffffffff81374785 RFL=00000246 [---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 00007f7e66bab900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7e662c21e8 CR3=000000000e100000 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=f57494bac92f2fbf4145cea1851e8e0e XMM02=eff9b2d0a8fce9cb0000000000302ff8 XMM03=2c67c8bc2e329bc30000000000303120 XMM04=0acdd4352bed1cbc00000000000ae988 XMM05=cfc9feead9d3e78b00000000003207e8 XMM06=07c8bb74b6c04a44000000000031f680 XMM07=fb795ef6d6577056000000000030edb0 XMM08=2c67c8bc2e329bc30000000000303120 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000