[ 46.279101] ------------[ cut here ]------------ [ 46.280073] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.282169] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.283678] Modules linked in: [ 46.284292] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.286306] Tainted: [W]=WARN [ 46.286919] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.288457] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.289433] 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 [ 46.292731] RSP: 0018:ffff88801a8c7bc0 EFLAGS: 00010286 [ 46.293734] RAX: 0000000000000000 RBX: ffffed1003518f78 RCX: ffffffff813a4050 [ 46.295074] RDX: ffff88800f009bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.296451] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003518f2f [ 46.297874] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.299397] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a8c7df8 [ 46.300905] FS: 00007f28027a3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.302584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.303853] CR2: 00007f2802c95580 CR3: 0000000016602000 CR4: 0000000000350ef0 [ 46.305350] Call Trace: [ 46.305933] [ 46.306412] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.307467] ? __create_object+0x59/0x80 [ 46.308379] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.309507] __vmalloc_noprof+0x59/0x60 [ 46.310368] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.311408] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.312503] bpf_prog_alloc+0x39/0x200 [ 46.313343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.314422] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.315488] do_seccomp+0x349/0x25e0 [ 46.316324] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.317366] ? __pfx_do_seccomp+0x10/0x10 [ 46.318287] ? find_held_lock+0x2b/0x80 [ 46.319194] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.320316] ? static_key_count+0x60/0x80 [ 46.321241] prctl_set_seccomp+0x4e/0x70 [ 46.322135] __do_sys_prctl+0xe6c/0x1d70 [ 46.323042] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.324054] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.325167] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.326280] ? irqentry_exit+0xf3/0x650 [ 46.327185] do_syscall_64+0xbf/0x430 [ 46.328043] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.329151] RIP: 0033:0x7f2802c955cd [ 46.329985] 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 [ 46.333684] RSP: 002b:00007ffc3d848600 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.335277] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2802c955cd [ 46.336782] RDX: 000055dd795bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.338284] RBP: 00007ffc3d848660 R08: 0000000000000000 R09: 00007ffc3d847d00 [ 46.339801] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dd8213db10 [ 46.341301] R13: 00007ffc3d848a90 R14: 000055dd8213e2b0 R15: 000055dd821526f0 [ 46.342818] [ 46.343322] irq event stamp: 1673 [ 46.344081] hardirqs last enabled at (1683): [] __up_console_sem+0x78/0x80 [ 46.345584] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 46.347063] softirqs last enabled at (1586): [] handle_softirqs+0x50c/0x770 [ 46.348584] softirqs last disabled at (1581): [] __irq_exit_rcu+0xc4/0x100 [ 46.350048] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.091450] ------------[ cut here ]------------ [ 49.092278] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.093991] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.096389] Modules linked in: [ 49.097005] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.098692] Tainted: [W]=WARN [ 49.099193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.100451] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.101231] 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 [ 49.103951] RSP: 0018:ffff88800a447bc0 EFLAGS: 00010286 [ 49.104784] RAX: 0000000000000000 RBX: ffffed1001488f78 RCX: ffffffff813a4050 [ 49.105849] RDX: ffff888016c18000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.106949] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001488f2f [ 49.108069] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.109151] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a447df8 [ 49.110253] FS: 00007f4c3ea08900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.111523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.112452] CR2: 00007ffdebd2fef7 CR3: 000000002075d000 CR4: 0000000000350ef0 [ 49.113563] Call Trace: [ 49.113957] [ 49.114299] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.115103] ? __create_object+0x59/0x80 [ 49.115791] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.116627] __vmalloc_noprof+0x59/0x60 [ 49.117242] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.118016] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.118817] bpf_prog_alloc+0x39/0x200 [ 49.119454] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.120283] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.121059] do_seccomp+0x349/0x25e0 [ 49.121675] ? find_held_lock+0x2b/0x80 [ 49.122282] ? do_prlimit+0x310/0x610 [ 49.122912] ? __pfx_do_seccomp+0x10/0x10 [ 49.123644] ? do_raw_spin_unlock+0x53/0x220 [ 49.124326] ? _raw_spin_unlock+0x1e/0x40 [ 49.125000] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.125824] ? static_key_count+0x60/0x80 [ 49.126468] prctl_set_seccomp+0x4e/0x70 [ 49.127171] __do_sys_prctl+0xe6c/0x1d70 [ 49.127843] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.128534] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.129377] ? irqentry_exit+0xf3/0x650 [ 49.130023] do_syscall_64+0xbf/0x430 [ 49.130655] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.131464] RIP: 0033:0x7f4c3eefa5cd [ 49.132074] 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 [ 49.134813] RSP: 002b:00007ffdebd2d660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.136032] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4c3eefa5cd [ 49.137136] RDX: 000055e43d220e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.138221] RBP: 00007ffdebd2d6c0 R08: 0000000000000000 R09: 00007ffdebd2cd60 [ 49.139316] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e44c1cead0 [ 49.140424] R13: 00007ffdebd2daf0 R14: 000055e44c1cfbc0 R15: 000055e44c1e0780 [ 49.141529] [ 49.141923] irq event stamp: 2123 [ 49.142424] hardirqs last enabled at (2131): [] __up_console_sem+0x78/0x80 [ 49.143720] hardirqs last disabled at (2140): [] __up_console_sem+0x5d/0x80 [ 49.145060] softirqs last enabled at (2034): [] handle_softirqs+0x50c/0x770 [ 49.146374] softirqs last disabled at (2025): [] __irq_exit_rcu+0xc4/0x100 [ 49.147682] ---[ end trace 0000000000000000 ]--- [ 49.889914] ------------[ cut here ]------------ [ 49.890942] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.893153] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.894806] Modules linked in: [ 49.895463] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.897605] Tainted: [W]=WARN [ 49.898203] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.899792] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.900784] 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 [ 49.904496] RSP: 0018:ffff88801713fbc0 EFLAGS: 00010286 [ 49.905603] RAX: 0000000000000000 RBX: ffffed1002e27f78 RCX: ffffffff813a4050 [ 49.907000] RDX: ffff888016ac3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.908425] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e27f2f [ 49.909822] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.911235] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801713fdf8 [ 49.912647] FS: 00007f77bd821900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.914222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.915398] CR2: 00007f77bdd13580 CR3: 000000000e2ed000 CR4: 0000000000350ef0 [ 49.916823] Call Trace: [ 49.917330] [ 49.917826] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.918819] ? __create_object+0x59/0x80 [ 49.919686] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.920764] __vmalloc_noprof+0x59/0x60 [ 49.921587] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.922484] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.923507] bpf_prog_alloc+0x39/0x200 [ 49.924354] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.925395] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.926396] do_seccomp+0x349/0x25e0 [ 49.927199] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.928174] ? __pfx_do_seccomp+0x10/0x10 [ 49.929035] ? find_held_lock+0x2b/0x80 [ 49.929857] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.930902] ? static_key_count+0x60/0x80 [ 49.931798] prctl_set_seccomp+0x4e/0x70 [ 49.932655] __do_sys_prctl+0xe6c/0x1d70 [ 49.933462] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.934404] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.935473] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.936574] ? irqentry_exit+0xf3/0x650 [ 49.937371] do_syscall_64+0xbf/0x430 [ 49.938174] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.939214] RIP: 0033:0x7f77bdd135cd [ 49.939969] 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 [ 49.943398] RSP: 002b:00007ffff5e23a10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.944879] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77bdd135cd [ 49.946301] RDX: 000055e349e84e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.947710] RBP: 00007ffff5e23a70 R08: 0000000000000000 R09: 00007ffff5e23110 [ 49.949112] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e36b9d5ad0 [ 49.950504] R13: 00007ffff5e23ea0 R14: 000055e36b9d6bc0 R15: 000055e36b9e7780 [ 49.951933] [ 49.952389] irq event stamp: 1755 [ 49.953099] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 49.954767] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 49.956273] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 49.957257] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 49.958235] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15540' (ECDSA) to the list of known hosts. 2025/11/17 09:04:14 fuzzer started 2025/11/17 09:04:14 dialing manager at localhost:37895 2025/11/17 09:04:14 checking machine... 2025/11/17 09:04:14 checking revisions... [ 50.836591] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:04:14 testing simple program... [ 50.943978] cgroup: Unknown subsys name 'net' [ 51.006347] cgroup: Unknown subsys name 'cpuset' [ 51.020737] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:04:13 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888015ea74c8 RCX=ffffffff84c539a0 RDX=0000000080000000 RSI=ffffffff84c539ad RDI=ffff88806ce31cd0 RBP=0000000000000000 RSP=ffff888015ea73a0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff8880090c2942 R13=ffff888015ea74e0 R14=ffffffff8899ce88 R15=ffff888015ea74c8 RIP=ffffffff815be17b 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 00007f4c3ea08900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdebd27000 CR3=000000002072c000 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=0000000000000000 RBX=ffffffff85486180 RCX=ffffffff83c635fe RDX=ffff888019db7b58 RSI=ffff888009133f40 RDI=ffff8880175a6a80 RBP=ffff8880175a6a80 RSP=ffff888019db78e8 R8 =0000000000000001 R9 =ffffed1002eb4d7c R10=0000000000000000 R11=0000000000000001 R12=ffff888019db7b58 R13=ffff888009133f40 R14=ffffffff842db6b0 R15=0000000000000000 RIP=ffffffff84c99b86 RFL=00000293 [--S-A-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 00007fd8922d5700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff563d7b38 CR3=000000000bec0000 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=34303a393020373120766f4e3e38333c XMM01=656e6e6f637369642064657669656365 XMM02=63736964203a31313a32343239332074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323432 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000