syzkaller login: [ 46.572173] ------------[ cut here ]------------ [ 46.573094] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.575117] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/237 [ 46.576589] Modules linked in: [ 46.577217] CPU: 1 UID: 104 PID: 237 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.579497] Tainted: [W]=WARN [ 46.580194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.581701] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.582641] 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 [ 46.585918] RSP: 0018:ffff888017ed7bc0 EFLAGS: 00010286 [ 46.586926] RAX: 0000000000000000 RBX: ffffed1002fdaf78 RCX: ffffffff813a4050 [ 46.588288] RDX: ffff888018e69bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.589580] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fdaf2f [ 46.590871] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.592189] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017ed7df8 [ 46.593486] FS: 00007fb4812ed900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.594968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.596053] CR2: 00007fff51c1aef7 CR3: 000000000d39e000 CR4: 0000000000350ef0 [ 46.597363] Call Trace: [ 46.597836] [ 46.598295] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.599210] ? __create_object+0x59/0x80 [ 46.600013] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.600999] __vmalloc_noprof+0x59/0x60 [ 46.601721] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.602598] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.603544] bpf_prog_alloc+0x39/0x200 [ 46.604309] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.605266] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.606184] do_seccomp+0x349/0x25e0 [ 46.606863] ? find_held_lock+0x2b/0x80 [ 46.607638] ? do_prlimit+0x310/0x610 [ 46.608404] ? __pfx_do_seccomp+0x10/0x10 [ 46.609206] ? do_raw_spin_unlock+0x53/0x220 [ 46.610054] ? _raw_spin_unlock+0x1e/0x40 [ 46.610803] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.611773] ? static_key_count+0x60/0x80 [ 46.612588] prctl_set_seccomp+0x4e/0x70 [ 46.613383] __do_sys_prctl+0xe6c/0x1d70 [ 46.614189] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.615059] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.616056] ? irqentry_exit+0xf3/0x650 [ 46.616782] do_syscall_64+0xbf/0x430 [ 46.617527] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.618505] RIP: 0033:0x7fb4817df5cd [ 46.619229] 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 [ 46.622461] RSP: 002b:00007fff51c18d10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.623838] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4817df5cd [ 46.625163] RDX: 000055a655e92e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.626471] RBP: 00007fff51c18d70 R08: 0000000000000000 R09: 00007fff51c18410 [ 46.627778] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a67591bad0 [ 46.629080] R13: 00007fff51c191a0 R14: 000055a67591cbc0 R15: 000055a67592d780 [ 46.630397] [ 46.630837] irq event stamp: 1855 [ 46.631499] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 46.633067] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 46.634616] softirqs last enabled at (1388): [] handle_softirqs+0x50c/0x770 [ 46.636181] softirqs last disabled at (1383): [] __irq_exit_rcu+0xc4/0x100 [ 46.637715] ---[ end trace 0000000000000000 ]--- [ 49.382392] ------------[ cut here ]------------ [ 49.383328] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.385336] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 49.387033] Modules linked in: [ 49.387620] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.389665] Tainted: [W]=WARN [ 49.390252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.391721] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.392652] 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 [ 49.395818] RSP: 0018:ffff888017967bc0 EFLAGS: 00010286 [ 49.396810] RAX: 0000000000000000 RBX: ffffed1002f2cf78 RCX: ffffffff813a4050 [ 49.398089] RDX: ffff888016c29bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.399371] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f2cf2f [ 49.400668] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.401977] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017967df8 [ 49.403270] FS: 00007f97c48ef900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.404741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.405809] CR2: 00007ffd07af9ef7 CR3: 000000000dd5f000 CR4: 0000000000350ef0 [ 49.407093] Call Trace: [ 49.407566] [ 49.408039] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.408902] ? __create_object+0x59/0x80 [ 49.409688] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.410653] __vmalloc_noprof+0x59/0x60 [ 49.411409] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.412283] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.413211] bpf_prog_alloc+0x39/0x200 [ 49.413909] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.414851] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.415752] do_seccomp+0x349/0x25e0 [ 49.416489] ? find_held_lock+0x2b/0x80 [ 49.417245] ? do_prlimit+0x310/0x610 [ 49.417994] ? __pfx_do_seccomp+0x10/0x10 [ 49.418789] ? do_raw_spin_unlock+0x53/0x220 [ 49.419617] ? _raw_spin_unlock+0x1e/0x40 [ 49.420404] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.421377] ? static_key_count+0x60/0x80 [ 49.422168] prctl_set_seccomp+0x4e/0x70 [ 49.422906] __do_sys_prctl+0xe6c/0x1d70 [ 49.423712] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.424601] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.425555] ? irqentry_exit+0xf3/0x650 [ 49.426318] do_syscall_64+0xbf/0x430 [ 49.427057] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.428019] RIP: 0033:0x7f97c4de15cd [ 49.428683] 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 [ 49.431849] RSP: 002b:00007ffd07af8dc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.433222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f97c4de15cd [ 49.434498] RDX: 0000559056c47e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.435807] RBP: 00007ffd07af8e20 R08: 0000000000000000 R09: 00007ffd07af84c0 [ 49.437092] R10: 0000000000000000 R11: 0000000000000246 R12: 000055905d4a12b0 [ 49.438378] R13: 00007ffd07af9250 R14: 000055905d4a3d20 R15: 000055905d4b58d0 [ 49.439668] [ 49.440166] irq event stamp: 1829 [ 49.440784] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 49.442040] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 49.443290] softirqs last enabled at (1432): [] handle_softirqs+0x50c/0x770 [ 49.444571] softirqs last disabled at (1427): [] __irq_exit_rcu+0xc4/0x100 [ 49.445819] ---[ end trace 0000000000000000 ]--- [ 50.051279] ------------[ cut here ]------------ [ 50.052198] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.054138] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 50.055568] Modules linked in: [ 50.056203] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.058152] Tainted: [W]=WARN [ 50.058698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.060160] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.061058] 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 [ 50.064204] RSP: 0018:ffff888018d37bc0 EFLAGS: 00010286 [ 50.065164] RAX: 0000000000000000 RBX: ffffed10031a6f78 RCX: ffffffff813a4050 [ 50.066432] RDX: ffff8880171d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.067680] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031a6f2f [ 50.068968] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.070233] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018d37df8 [ 50.071508] FS: 00007f839b9e7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.072921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.073967] CR2: 00007f839bf4d4a6 CR3: 00000000203a8000 CR4: 0000000000350ef0 [ 50.075243] Call Trace: [ 50.075703] [ 50.076167] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.077050] ? __create_object+0x59/0x80 [ 50.077777] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.078735] __vmalloc_noprof+0x59/0x60 [ 50.079483] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.080359] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.081278] bpf_prog_alloc+0x39/0x200 [ 50.082005] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.082882] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.083767] do_seccomp+0x349/0x25e0 [ 50.084485] ? find_held_lock+0x2b/0x80 [ 50.085240] ? do_prlimit+0x310/0x610 [ 50.085978] ? __pfx_do_seccomp+0x10/0x10 [ 50.086717] ? do_raw_spin_unlock+0x53/0x220 [ 50.087542] ? _raw_spin_unlock+0x1e/0x40 [ 50.088336] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.089302] ? static_key_count+0x60/0x80 [ 50.090117] prctl_set_seccomp+0x4e/0x70 [ 50.090850] __do_sys_prctl+0xe6c/0x1d70 [ 50.091631] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.092505] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.093476] ? irqentry_exit+0xf3/0x650 [ 50.094245] do_syscall_64+0xbf/0x430 [ 50.094986] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.095913] RIP: 0033:0x7f839bed95cd [ 50.096625] 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 [ 50.099810] RSP: 002b:00007ffe8abc1fa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.101150] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f839bed95cd [ 50.102222] RDX: 00005604a4c93e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.103281] RBP: 00007ffe8abc2000 R08: 0000000000000000 R09: 00007ffe8abc16a0 [ 50.104348] R10: 0000000000000000 R11: 0000000000000246 R12: 00005604dae2aad0 [ 50.105406] R13: 00007ffe8abc2430 R14: 00005604dae2bbc0 R15: 00005604dae3c780 [ 50.106485] [ 50.106835] irq event stamp: 1749 [ 50.107370] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 50.108659] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 50.109922] softirqs last enabled at (1586): [] handle_softirqs+0x50c/0x770 [ 50.111233] softirqs last disabled at (1577): [] __irq_exit_rcu+0xc4/0x100 [ 50.112490] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48998' (ECDSA) to the list of known hosts. 2025/11/19 01:42:11 fuzzer started 2025/11/19 01:42:12 dialing manager at localhost:34383 2025/11/19 01:42:12 checking machine... 2025/11/19 01:42:12 checking revisions... [ 50.969398] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:42:12 testing simple program... [ 51.049556] cgroup: Unknown subsys name 'net' [ 51.106643] cgroup: Unknown subsys name 'cpuset' [ 51.118535] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 01:42:11 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880090c2940 RCX=0000000000000001 RDX=0000000000000000 RSI=00000000ffffffff RDI=ffffffff8899ce60 RBP=ffffffff8899ce60 RSP=ffff8880185ff398 R8 =00000000ffffffff R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888014199bc0 R13=dffffc0000000000 R14=00000000ffffffff R15=ffffffff8899ce48 RIP=ffffffff84c720b4 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 00007f97c48ef900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd07af2000 CR3=00000000140ba000 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=0000000000000001 RBX=ffff888009643780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888009644200 RDI=ffff888009643780 RBP=ffff8880096441d8 RSP=ffff88806cf088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009644200 R13=0000000000000001 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815273eb RFL=00000047 [---Z-PC] 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 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f99b7e94ec8 CR3=000000000e857000 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=32343a313020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3334325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343334 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000