syzkaller login: [ 46.415152] ------------[ cut here ]------------ [ 46.416059] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.418063] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.419505] Modules linked in: [ 46.420131] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.422097] Tainted: [W]=WARN [ 46.422641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.424335] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.425770] 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 [ 46.428963] RSP: 0018:ffff888016ca7bc0 EFLAGS: 00010286 [ 46.429893] RAX: 0000000000000000 RBX: ffffed1002d94f78 RCX: ffffffff813a4050 [ 46.431210] RDX: ffff88800f361bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.432501] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d94f2f [ 46.433792] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.435087] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ca7df8 [ 46.436371] FS: 00007fa325e74900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.437800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.438872] CR2: 00007fa326366580 CR3: 00000000159d4000 CR4: 0000000000350ef0 [ 46.440158] Call Trace: [ 46.440623] [ 46.441078] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.441976] ? __create_object+0x59/0x80 [ 46.442710] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.443681] __vmalloc_noprof+0x59/0x60 [ 46.444435] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.445307] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.446246] bpf_prog_alloc+0x39/0x200 [ 46.446968] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.447844] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.448748] do_seccomp+0x349/0x25e0 [ 46.449477] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.450402] ? __pfx_do_seccomp+0x10/0x10 [ 46.451196] ? find_held_lock+0x2b/0x80 [ 46.451952] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.452862] ? static_key_count+0x60/0x80 [ 46.453668] prctl_set_seccomp+0x4e/0x70 [ 46.454451] __do_sys_prctl+0xe6c/0x1d70 [ 46.455224] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.456075] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.457030] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.458002] ? irqentry_exit+0xf3/0x650 [ 46.458718] do_syscall_64+0xbf/0x430 [ 46.459457] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.460395] RIP: 0033:0x7fa3263665cd [ 46.461086] 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 [ 46.464227] RSP: 002b:00007fff9657b340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.465586] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3263665cd [ 46.466874] RDX: 0000564d64349e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.468155] RBP: 00007fff9657b3a0 R08: 0000000000000000 R09: 00007fff9657aa40 [ 46.469420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564d6c7a9b10 [ 46.470705] R13: 00007fff9657b7d0 R14: 0000564d6c7aa2b0 R15: 0000564d6c7be6f0 [ 46.472051] [ 46.472475] irq event stamp: 1875 [ 46.473124] hardirqs last enabled at (1885): [] __up_console_sem+0x78/0x80 [ 46.474642] hardirqs last disabled at (1894): [] __up_console_sem+0x5d/0x80 [ 46.476138] softirqs last enabled at (1478): [] handle_softirqs+0x50c/0x770 [ 46.477668] softirqs last disabled at (1473): [] __irq_exit_rcu+0xc4/0x100 [ 46.479170] ---[ end trace 0000000000000000 ]--- [ 50.048431] ------------[ cut here ]------------ [ 50.049351] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.051274] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 50.052682] Modules linked in: [ 50.053297] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.055198] Tainted: [W]=WARN [ 50.055729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.057134] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.058005] 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 [ 50.060946] RSP: 0018:ffff8880182cfbc0 EFLAGS: 00010286 [ 50.061810] RAX: 0000000000000000 RBX: ffffed1003059f78 RCX: ffffffff813a4050 [ 50.063112] RDX: ffff888018039bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.064504] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003059f2f [ 50.065893] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.067334] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880182cfdf8 [ 50.068721] FS: 00007f15ed82c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.070286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.071437] CR2: 00007fffd0ec0ef7 CR3: 000000001ecf7000 CR4: 0000000000350ef0 [ 50.072835] Call Trace: [ 50.073384] [ 50.073828] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.074805] ? __create_object+0x59/0x80 [ 50.075651] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.076699] __vmalloc_noprof+0x59/0x60 [ 50.077516] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.078474] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.079487] bpf_prog_alloc+0x39/0x200 [ 50.080289] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.081297] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.082289] do_seccomp+0x349/0x25e0 [ 50.083065] ? find_held_lock+0x2b/0x80 [ 50.083830] ? do_prlimit+0x310/0x610 [ 50.084631] ? __pfx_do_seccomp+0x10/0x10 [ 50.085469] ? do_raw_spin_unlock+0x53/0x220 [ 50.086380] ? _raw_spin_unlock+0x1e/0x40 [ 50.087223] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.088274] ? static_key_count+0x60/0x80 [ 50.089673] prctl_set_seccomp+0x4e/0x70 [ 50.090528] __do_sys_prctl+0xe6c/0x1d70 [ 50.091371] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.092298] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.093348] ? irqentry_exit+0xf3/0x650 [ 50.094181] do_syscall_64+0xbf/0x430 [ 50.094981] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.096014] RIP: 0033:0x7f15edd1e5cd [ 50.096726] 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 [ 50.099965] RSP: 002b:00007fffd0ebf3f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.101304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15edd1e5cd [ 50.102547] RDX: 00005625028b7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.103780] RBP: 00007fffd0ebf450 R08: 0000000000000000 R09: 00007fffd0ebeaf0 [ 50.105014] R10: 0000000000000000 R11: 0000000000000246 R12: 00005625375872b0 [ 50.106269] R13: 00007fffd0ebf880 R14: 0000562537589d20 R15: 000056253759b8d0 [ 50.107524] [ 50.107962] irq event stamp: 1751 [ 50.108539] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 50.110015] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 50.111493] softirqs last enabled at (1564): [] handle_softirqs+0x50c/0x770 [ 50.112986] softirqs last disabled at (1559): [] __irq_exit_rcu+0xc4/0x100 [ 50.114461] ---[ end trace 0000000000000000 ]--- [ 50.937059] ------------[ cut here ]------------ [ 50.938037] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.940077] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.941555] Modules linked in: [ 50.942313] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.944335] Tainted: [W]=WARN [ 50.944945] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.946492] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.947432] 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 [ 50.950674] RSP: 0018:ffff888016eafbc0 EFLAGS: 00010286 [ 50.951711] RAX: 0000000000000000 RBX: ffffed1002dd5f78 RCX: ffffffff813a4050 [ 50.953034] RDX: ffff8880146f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.954350] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd5f2f [ 50.955666] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.957019] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016eafdf8 [ 50.958355] FS: 00007fd3b520c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.959844] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.960978] CR2: 00007ffc34a14ef7 CR3: 000000000dc4e000 CR4: 0000000000350ef0 [ 50.962319] Call Trace: [ 50.962794] [ 50.963272] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.964215] ? __create_object+0x59/0x80 [ 50.965042] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.966066] __vmalloc_noprof+0x59/0x60 [ 50.966804] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.967692] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.968671] bpf_prog_alloc+0x39/0x200 [ 50.969458] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.970442] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.971379] do_seccomp+0x349/0x25e0 [ 50.972142] ? find_held_lock+0x2b/0x80 [ 50.972877] ? do_prlimit+0x310/0x610 [ 50.973660] ? __pfx_do_seccomp+0x10/0x10 [ 50.974491] ? do_raw_spin_unlock+0x53/0x220 [ 50.975354] ? _raw_spin_unlock+0x1e/0x40 [ 50.976171] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.977180] ? static_key_count+0x60/0x80 [ 50.978030] prctl_set_seccomp+0x4e/0x70 [ 50.978787] __do_sys_prctl+0xe6c/0x1d70 [ 50.979586] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.980475] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.981492] ? irqentry_exit+0xf3/0x650 [ 50.982299] do_syscall_64+0xbf/0x430 [ 50.983071] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.984056] RIP: 0033:0x7fd3b56fe5cd [ 50.984734] 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 [ 50.988288] RSP: 002b:00007ffc34a13cd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.989970] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd3b56fe5cd [ 50.991543] RDX: 0000555c532c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.993114] RBP: 00007ffc34a13d30 R08: 0000000000000000 R09: 00007ffc34a133d0 [ 50.994654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555c8bbd0ad0 [ 50.996051] R13: 00007ffc34a14160 R14: 0000555c8bbd1bc0 R15: 0000555c8bbe2780 [ 50.997387] [ 50.997841] irq event stamp: 1793 [ 50.998526] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 51.000102] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 51.001682] softirqs last enabled at (1610): [] handle_softirqs+0x50c/0x770 [ 51.003182] softirqs last disabled at (1605): [] __irq_exit_rcu+0xc4/0x100 [ 51.004479] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:7324' (ECDSA) to the list of known hosts. 2025/11/18 15:07:12 fuzzer started 2025/11/18 15:07:12 dialing manager at localhost:34383 2025/11/18 15:07:12 checking machine... 2025/11/18 15:07:12 checking revisions... [ 52.004094] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:07:13 testing simple program... [ 52.095241] cgroup: Unknown subsys name 'net' [ 52.158889] cgroup: Unknown subsys name 'cpuset' [ 52.181003] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:07:12 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888015438000 RCX=ffff88806ce08954 RDX=1ffff11002a87080 RSI=ffffffff85e1ffe0 RDI=ffff8880154383fc RBP=ffff888015438000 RSP=ffff88806ce08960 R8 =0000000000000001 R9 =ffff88806ce08a40 R10=000000000003c9ed R11=0000000000023c52 R12=ffff888015438000 R13=ffff88806ce08a48 R14=ffff88806ce08e08 R15=ffff88806ce08a00 RIP=ffffffff815d2bff 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f35f1036900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f35f074b380 CR3=000000000d292000 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=c89c7b2ee33489939240729fe680fc5a XMM02=0000000000302908eff9b2d0a8fce9cb XMM03=00000000003029d82c67c8bc2e329bc3 XMM04=d3362c940b0a397600000000000ae988 XMM05=0c64ec40b9e901bb000000000031e980 XMM06=474038aa6c007e1f000000000031d4e8 XMM07=fb795ef6d6577056000000000030d948 XMM08=2c67c8bc2e329bc30000000000302978 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000082cc0 RCX=ffff88800f60f554 RDX=0000000000000000 RSI=ffffffff85f064a0 RDI=ffff8880146f536c RBP=ffff8880146f5340 RSP=ffff88800f60f578 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000082cc0 R13=0000000000001000 R14=00000000ffffffff R15=ffff888008c42140 RIP=ffffffff81a91ade RFL=00000213 [----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 00007f15ed82c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f15edde3618 CR3=000000001ecf6000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000