syzkaller login: [ 38.977795] ------------[ cut here ]------------ [ 38.978562] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.980247] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.981498] Modules linked in: [ 38.981994] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.983625] Tainted: [W]=WARN [ 38.984082] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.985324] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.986036] 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 [ 38.988646] RSP: 0018:ffff88801a4b7bc0 EFLAGS: 00010286 [ 38.989448] RAX: 0000000000000000 RBX: ffffed1003496f78 RCX: ffffffff813a4050 [ 38.990511] RDX: ffff888016acb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.991575] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003496f2f [ 38.992670] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.993732] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a4b7df8 [ 38.994792] FS: 00007fc63a112900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.995984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.996887] CR2: 00007fc63a604580 CR3: 000000000d338000 CR4: 0000000000350ef0 [ 38.997957] Call Trace: [ 38.998388] [ 38.998731] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.999470] ? __create_object+0x59/0x80 [ 39.000076] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.000893] __vmalloc_noprof+0x59/0x60 [ 39.001527] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.002254] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.002981] bpf_prog_alloc+0x39/0x200 [ 39.003595] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.004363] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.005077] do_seccomp+0x349/0x25e0 [ 39.005675] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.006413] ? __pfx_do_seccomp+0x10/0x10 [ 39.007027] ? find_held_lock+0x2b/0x80 [ 39.007652] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.008468] ? static_key_count+0x60/0x80 [ 39.009131] prctl_set_seccomp+0x4e/0x70 [ 39.009737] __do_sys_prctl+0xe6c/0x1d70 [ 39.010384] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.011055] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.011856] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.012669] ? irqentry_exit+0xf3/0x650 [ 39.013311] do_syscall_64+0xbf/0x430 [ 39.013896] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.014678] RIP: 0033:0x7fc63a6045cd [ 39.015251] 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 [ 39.017891] RSP: 002b:00007ffd605870c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.019021] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc63a6045cd [ 39.020085] RDX: 0000564d6c61ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.021173] RBP: 00007ffd60587120 R08: 0000000000000000 R09: 00007ffd605867c0 [ 39.022236] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564d99573b10 [ 39.023302] R13: 00007ffd60587550 R14: 0000564d995742b0 R15: 0000564d995886f0 [ 39.024381] [ 39.024742] irq event stamp: 1825 [ 39.025279] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 39.026531] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 39.027793] softirqs last enabled at (1502): [] handle_softirqs+0x50c/0x770 [ 39.029091] softirqs last disabled at (1487): [] __irq_exit_rcu+0xc4/0x100 [ 39.030361] ---[ end trace 0000000000000000 ]--- [ 41.973246] ------------[ cut here ]------------ [ 41.974138] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.976221] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.977708] Modules linked in: [ 41.978346] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.980319] Tainted: [W]=WARN [ 41.981011] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.982528] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.983448] 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 [ 41.986597] RSP: 0018:ffff888017157bc0 EFLAGS: 00010286 [ 41.987575] RAX: 0000000000000000 RBX: ffffed1002e2af78 RCX: ffffffff813a4050 [ 41.988883] RDX: ffff888013f23780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.990175] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2af2f [ 41.991458] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.992753] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017157df8 [ 41.994024] FS: 00007f21c3180900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.995456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.996644] CR2: 00007ffe9e322ef8 CR3: 000000001de69000 CR4: 0000000000350ef0 [ 41.997928] Call Trace: [ 41.998446] [ 41.998870] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.999775] ? __create_object+0x59/0x80 [ 42.000581] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.001557] __vmalloc_noprof+0x59/0x60 [ 42.002425] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.003474] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.004427] bpf_prog_alloc+0x39/0x200 [ 42.005181] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.006077] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.007070] do_seccomp+0x349/0x25e0 [ 42.007790] ? find_held_lock+0x2b/0x80 [ 42.008562] ? do_prlimit+0x310/0x610 [ 42.009304] ? __pfx_do_seccomp+0x10/0x10 [ 42.010063] ? do_raw_spin_unlock+0x53/0x220 [ 42.010999] ? _raw_spin_unlock+0x1e/0x40 [ 42.011742] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.012728] ? static_key_count+0x60/0x80 [ 42.013403] prctl_set_seccomp+0x4e/0x70 [ 42.014023] __do_sys_prctl+0xe6c/0x1d70 [ 42.014674] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.015385] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.016201] ? irqentry_exit+0xf3/0x650 [ 42.016829] do_syscall_64+0xbf/0x430 [ 42.017448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.018266] RIP: 0033:0x7f21c36725cd [ 42.019000] 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 [ 42.022056] RSP: 002b:00007ffe9e321b10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.023222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f21c36725cd [ 42.024311] RDX: 000055d4ed417e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.025530] RBP: 00007ffe9e321b70 R08: 0000000000000000 R09: 00007ffe9e321210 [ 42.026607] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d4f3551240 [ 42.027681] R13: 00007ffe9e321fa0 R14: 000055d4f355a380 R15: 000055d4f3565540 [ 42.028794] [ 42.029228] irq event stamp: 1697 [ 42.029765] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 42.031067] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 42.032391] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 42.033862] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 42.035194] ---[ end trace 0000000000000000 ]--- [ 42.833926] ------------[ cut here ]------------ [ 42.834857] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.836901] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.838375] Modules linked in: [ 42.838960] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.840975] Tainted: [W]=WARN [ 42.841574] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.843065] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.843997] 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 [ 42.847192] RSP: 0018:ffff8880165d7bc0 EFLAGS: 00010286 [ 42.848173] RAX: 0000000000000000 RBX: ffffed1002cbaf78 RCX: ffffffff813a4050 [ 42.849485] RDX: ffff888016acd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.850779] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cbaf2f [ 42.852068] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.853397] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165d7df8 [ 42.854691] FS: 00007f4f7ef53900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.856146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.857237] CR2: 00007f4f7f445580 CR3: 000000001d925000 CR4: 0000000000350ef0 [ 42.858535] Call Trace: [ 42.859004] [ 42.859473] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.860389] ? __create_object+0x59/0x80 [ 42.861202] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.862187] __vmalloc_noprof+0x59/0x60 [ 42.862901] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.863786] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.864751] bpf_prog_alloc+0x39/0x200 [ 42.865495] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.866430] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.867340] do_seccomp+0x349/0x25e0 [ 42.868023] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.868968] ? __pfx_do_seccomp+0x10/0x10 [ 42.869746] ? find_held_lock+0x2b/0x80 [ 42.870511] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.871482] ? static_key_count+0x60/0x80 [ 42.872308] prctl_set_seccomp+0x4e/0x70 [ 42.873064] __do_sys_prctl+0xe6c/0x1d70 [ 42.873857] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.874719] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.875699] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.876690] ? irqentry_exit+0xf3/0x650 [ 42.877473] do_syscall_64+0xbf/0x430 [ 42.878215] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.879201] RIP: 0033:0x7f4f7f4455cd [ 42.879869] 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 [ 42.883057] RSP: 002b:00007ffcd7f71610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.884446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4f7f4455cd [ 42.885770] RDX: 0000559333267e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.887070] RBP: 00007ffcd7f71670 R08: 0000000000000000 R09: 00007ffcd7f70d10 [ 42.888403] R10: 0000000000000000 R11: 0000000000000246 R12: 000055933b267ad0 [ 42.889688] R13: 00007ffcd7f71aa0 R14: 000055933b268bc0 R15: 000055933b279780 [ 42.891023] [ 42.891501] irq event stamp: 1765 [ 42.892155] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 42.893730] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 42.895253] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 42.896821] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 42.898340] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35465' (ECDSA) to the list of known hosts. 2025/11/17 21:59:31 fuzzer started 2025/11/17 21:59:31 dialing manager at localhost:37895 2025/11/17 21:59:31 checking machine... 2025/11/17 21:59:31 checking revisions... [ 43.828375] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:59:31 testing simple program... [ 43.910446] cgroup: Unknown subsys name 'net' [ 43.967802] cgroup: Unknown subsys name 'cpuset' [ 43.982437] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:59:30 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00007f21c3673163 RCX=ffff8880173af4b4 RDX=ffff88800f215340 RSI=ffffffff81209970 RDI=00007f21c3673163 RBP=0000000000000001 RSP=ffff8880173af4e8 R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffff8880173af628 R13=0000000000000000 R14=ffff88800f215340 R15=0000000000000000 RIP=ffffffff81209976 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 00007f21c3180900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f21c3737618 CR3=000000001de72000 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=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 info registers vcpu 1 RAX=000000000002601d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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=00007f4a46050608 CR3=000000001c1a7000 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=2030333a39353a313220373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030333a39353a3132203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000