------------[ cut here ]------------ WARNING: CPU: 0 PID: 5918 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 5918 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 5918 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 5918 Comm: syz-executor.5 Not tainted 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88805279f9a8 EFLAGS: 00010216 RAX: 0000000000000182 RBX: ffff88800981fc00 RCX: ffffc90004823000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020400000 R08: 0000000000000000 R09: ffff88800dbc9cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff1100a4f3f3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fe89212c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000018 CR3: 000000001d1cc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a Call Trace: __vma_adjust+0xbe8/0x2510 mm/mmap.c:841 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe894bb6b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe89212c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe894cc9f60 RCX: 00007fe894bb6b19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fe894c10f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0b7bfd4f R14: 00007fe89212c300 R15: 0000000000022000 irq event stamp: 1059 hardirqs last enabled at (1069): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1078): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (754): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (563): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace ce3937c73e40fedc ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5918 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 5918 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 5918 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 5918 Comm: syz-executor.5 Tainted: G W 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 loop3: detected capacity change from 0 to 16776704 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88805279f9a8 EFLAGS: 00010206 RAX: 000000000001bc70 RBX: ffff88800981fc00 RCX: ffffc90004823000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff88800dbc9cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff1100a4f3f3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fe89212c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000018 CR3: 000000001d1cc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a Call Trace: __vma_adjust+0xbf3/0x2510 mm/mmap.c:842 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe894bb6b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 EXT4-fs warning (device sda): ext4_group_extend:1805: can't shrink FS - resize aborted RSP: 002b:00007fe89212c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe894cc9f60 RCX: 00007fe894bb6b19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fe894c10f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0b7bfd4f R14: 00007fe89212c300 R15: 0000000000022000 irq event stamp: 1587 hardirqs last enabled at (1597): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1606): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (754): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (563): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace ce3937c73e40fedd ]--- EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16 sclass=netlink_audit_socket pid=5920 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=17 sclass=netlink_audit_socket pid=5920 comm=syz-executor.3 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5936 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 5936 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 5936 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 5936 Comm: syz-executor.5 Tainted: G W 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff888052c879a8 EFLAGS: 00010216 RAX: 0000000000000173 RBX: ffff88800981f300 RCX: ffffc90005429000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020400000 R08: 0000000000000000 R09: ffff88800dbc9cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff1100a590f3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fe89210b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001d80 CR3: 000000001d1cc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a Call Trace: __vma_adjust+0xbe8/0x2510 mm/mmap.c:841 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe894bb6b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe89210b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe894cca020 RCX: 00007fe894bb6b19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fe894c10f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0b7bfd4f R14: 00007fe89210b300 R15: 0000000000022000 irq event stamp: 651 hardirqs last enabled at (661): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (670): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (578): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (569): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace ce3937c73e40fede ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5936 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 5936 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 5936 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 5936 Comm: syz-executor.5 Tainted: G W 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff888052c879a8 EFLAGS: 00010212 RAX: 000000000001967a RBX: ffff88800981f300 RCX: ffffc90005429000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff88800dbc9cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff1100a590f3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000003 FS: 00007fe89210b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001d80 CR3: 000000001d1cc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a Call Trace: __vma_adjust+0xbf3/0x2510 mm/mmap.c:842 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe894bb6b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe89210b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe894cca020 RCX: 00007fe894bb6b19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fe894c10f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0b7bfd4f R14: 00007fe89210b300 R15: 0000000000022000 irq event stamp: 1469 hardirqs last enabled at (1479): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1488): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1092): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1075): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace ce3937c73e40fedf ]--- FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 5947 Comm: syz-executor.4 Tainted: G W 5.10.240 #1 EXT4-fs warning (device sda): ext4_group_extend:1805: can't shrink FS - resize aborted Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 _copy_to_user+0x2e/0x180 lib/usercopy.c:36 copy_to_user include/linux/uaccess.h:200 [inline] simple_read_from_buffer+0xcc/0x160 fs/libfs.c:729 proc_fail_nth_read+0x198/0x230 fs/proc/base.c:1482 vfs_read+0x228/0x620 fs/read_write.c:494 ksys_read+0x12d/0x260 fs/read_write.c:634 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f08cde7d69c Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48 RSP: 002b:00007f08cb3fe170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00007f08cde7d69c RDX: 000000000000000f RSI: 00007f08cb3fe1e0 RDI: 0000000000000004 RBP: 00007f08cb3fe1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fffb90bd86f R14: 00007f08cb3fe300 R15: 0000000000022000 loop5: detected capacity change from 0 to 41948160 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready EXT4-fs warning (device sda): ext4_group_extend:1805: can't shrink FS - resize aborted wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'.